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Finding the Fourth Proportional to 60,351.48, 83,354.16 and 39,747.08

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Solution

The fourth proportional to 60,351.48, 83,354.16 and 39,747.08 is: 54,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,351.48 : 83,354.16 = 39,747.08 : x
  2. Step 2: Convert to fraction form
    60,351.48/83,354.16 = 39,747.08/x
  3. Step 3: Cross multiply
    60,351.48x = 83,354.16 × 39,747.08
  4. Step 4: Simplify right side
    60,351.48x = 3,313,084,465.85
  5. Step 5: Solve for x
    x = 3,313,084,465.85/60,351.48
  6. Step 6: Final answer
    x = 54,896.49

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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.