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Finding the Fourth Proportional to 63,122.70, 94,810.20 and 39,472.32

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Solution

The fourth proportional to 63,122.70, 94,810.20 and 39,472.32 is: 59,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.70 : 94,810.20 = 39,472.32 : x
  2. Step 2: Convert to fraction form
    63,122.70/94,810.20 = 39,472.32/x
  3. Step 3: Cross multiply
    63,122.70x = 94,810.20 × 39,472.32
  4. Step 4: Simplify right side
    63,122.70x = 3,742,378,553.66
  5. Step 5: Solve for x
    x = 3,742,378,553.66/63,122.70
  6. Step 6: Final answer
    x = 59,287.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.