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Finding the Fourth Proportional to 7,550.52, 10,419.20 and 4,193.16

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Solution

The fourth proportional to 7,550.52, 10,419.20 and 4,193.16 is: 5,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.52 : 10,419.20 = 4,193.16 : x
  2. Step 2: Convert to fraction form
    7,550.52/10,419.20 = 4,193.16/x
  3. Step 3: Cross multiply
    7,550.52x = 10,419.20 × 4,193.16
  4. Step 4: Simplify right side
    7,550.52x = 43,689,372.67
  5. Step 5: Solve for x
    x = 43,689,372.67/7,550.52
  6. Step 6: Final answer
    x = 5,786.27

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Half scale
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Double scale
Find fourth proportional to 7,551.52, 10,420.58 and 4,194.16
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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.