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Finding the Fourth Proportional to 54,762.97, 75,572.98 and 29,612.47

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Solution

The fourth proportional to 54,762.97, 75,572.98 and 29,612.47 is: 40,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,762.97 : 75,572.98 = 29,612.47 : x
  2. Step 2: Convert to fraction form
    54,762.97/75,572.98 = 29,612.47/x
  3. Step 3: Cross multiply
    54,762.97x = 75,572.98 × 29,612.47
  4. Step 4: Simplify right side
    54,762.97x = 2,237,902,603.06
  5. Step 5: Solve for x
    x = 2,237,902,603.06/54,762.97
  6. Step 6: Final answer
    x = 40,865.25

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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.