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Finding the Fourth Proportional to 60,385.79, 90,592.91 and 18,266.22

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Solution

The fourth proportional to 60,385.79, 90,592.91 and 18,266.22 is: 27,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,385.79 : 90,592.91 = 18,266.22 : x
  2. Step 2: Convert to fraction form
    60,385.79/90,592.91 = 18,266.22/x
  3. Step 3: Cross multiply
    60,385.79x = 90,592.91 × 18,266.22
  4. Step 4: Simplify right side
    60,385.79x = 1,654,790,070.17
  5. Step 5: Solve for x
    x = 1,654,790,070.17/60,385.79
  6. Step 6: Final answer
    x = 27,403.63

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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.