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Finding the Fourth Proportional to 7,573.76, 10,452.48 and 4,430.42

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Solution

The fourth proportional to 7,573.76, 10,452.48 and 4,430.42 is: 6,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.76 : 10,452.48 = 4,430.42 : x
  2. Step 2: Convert to fraction form
    7,573.76/10,452.48 = 4,430.42/x
  3. Step 3: Cross multiply
    7,573.76x = 10,452.48 × 4,430.42
  4. Step 4: Simplify right side
    7,573.76x = 46,308,876.44
  5. Step 5: Solve for x
    x = 46,308,876.44/7,573.76
  6. Step 6: Final answer
    x = 6,114.38

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Half scale
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Double scale
Find fourth proportional to 7,574.76, 10,453.86 and 4,431.42
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.