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Finding the Fourth Proportional to 60,173.67, 82,989.21 and 38,666.91

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Solution

The fourth proportional to 60,173.67, 82,989.21 and 38,666.91 is: 53,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,173.67 : 82,989.21 = 38,666.91 : x
  2. Step 2: Convert to fraction form
    60,173.67/82,989.21 = 38,666.91/x
  3. Step 3: Cross multiply
    60,173.67x = 82,989.21 × 38,666.91
  4. Step 4: Simplify right side
    60,173.67x = 3,208,936,314.04
  5. Step 5: Solve for x
    x = 3,208,936,314.04/60,173.67
  6. Step 6: Final answer
    x = 53,327.91

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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.