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Finding the Fourth Proportional to 7,542.66, 10,406.73 and 4,398.24

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Solution

The fourth proportional to 7,542.66, 10,406.73 and 4,398.24 is: 6,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.66 : 10,406.73 = 4,398.24 : x
  2. Step 2: Convert to fraction form
    7,542.66/10,406.73 = 4,398.24/x
  3. Step 3: Cross multiply
    7,542.66x = 10,406.73 × 4,398.24
  4. Step 4: Simplify right side
    7,542.66x = 45,771,296.16
  5. Step 5: Solve for x
    x = 45,771,296.16/7,542.66
  6. Step 6: Final answer
    x = 6,068.32

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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.