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Finding the Fourth Proportional to 60,627.91, 83,666.63 and 35,139.23

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Solution

The fourth proportional to 60,627.91, 83,666.63 and 35,139.23 is: 48,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,627.91 : 83,666.63 = 35,139.23 : x
  2. Step 2: Convert to fraction form
    60,627.91/83,666.63 = 35,139.23/x
  3. Step 3: Cross multiply
    60,627.91x = 83,666.63 × 35,139.23
  4. Step 4: Simplify right side
    60,627.91x = 2,939,981,251.91
  5. Step 5: Solve for x
    x = 2,939,981,251.91/60,627.91
  6. Step 6: Final answer
    x = 48,492.21

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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.