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Finding the Fourth Proportional to 60,729.88, 83,807.04 and 33,872.40

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Solution

The fourth proportional to 60,729.88, 83,807.04 and 33,872.40 is: 46,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,729.88 : 83,807.04 = 33,872.40 : x
  2. Step 2: Convert to fraction form
    60,729.88/83,807.04 = 33,872.40/x
  3. Step 3: Cross multiply
    60,729.88x = 83,807.04 × 33,872.40
  4. Step 4: Simplify right side
    60,729.88x = 2,838,745,581.70
  5. Step 5: Solve for x
    x = 2,838,745,581.70/60,729.88
  6. Step 6: Final answer
    x = 46,743.80

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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.