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Finding the Fourth Proportional to 7,535.52, 10,400.24 and 7,203.28

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Solution

The fourth proportional to 7,535.52, 10,400.24 and 7,203.28 is: 9,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.52 : 10,400.24 = 7,203.28 : x
  2. Step 2: Convert to fraction form
    7,535.52/10,400.24 = 7,203.28/x
  3. Step 3: Cross multiply
    7,535.52x = 10,400.24 × 7,203.28
  4. Step 4: Simplify right side
    7,535.52x = 74,915,840.79
  5. Step 5: Solve for x
    x = 74,915,840.79/7,535.52
  6. Step 6: Final answer
    x = 9,941.69

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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.