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Finding the Fourth Proportional to 60,736.95, 83,856.02 and 38,106.99

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Solution

The fourth proportional to 60,736.95, 83,856.02 and 38,106.99 is: 52,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,736.95 : 83,856.02 = 38,106.99 : x
  2. Step 2: Convert to fraction form
    60,736.95/83,856.02 = 38,106.99/x
  3. Step 3: Cross multiply
    60,736.95x = 83,856.02 × 38,106.99
  4. Step 4: Simplify right side
    60,736.95x = 3,195,500,325.04
  5. Step 5: Solve for x
    x = 3,195,500,325.04/60,736.95
  6. Step 6: Final answer
    x = 52,612.13

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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.