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Finding the Fourth Proportional to 7,152.48, 9,860.34 and 6,168.24

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Solution

The fourth proportional to 7,152.48, 9,860.34 and 6,168.24 is: 8,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.48 : 9,860.34 = 6,168.24 : x
  2. Step 2: Convert to fraction form
    7,152.48/9,860.34 = 6,168.24/x
  3. Step 3: Cross multiply
    7,152.48x = 9,860.34 × 6,168.24
  4. Step 4: Simplify right side
    7,152.48x = 60,820,943.60
  5. Step 5: Solve for x
    x = 60,820,943.60/7,152.48
  6. Step 6: Final answer
    x = 8,503.48

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Half scale
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Double scale
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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.