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Finding the Fourth Proportional to 66,715.92, 92,068.02 and 36,500.76

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Solution

The fourth proportional to 66,715.92, 92,068.02 and 36,500.76 is: 50,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715.92 : 92,068.02 = 36,500.76 : x
  2. Step 2: Convert to fraction form
    66,715.92/92,068.02 = 36,500.76/x
  3. Step 3: Cross multiply
    66,715.92x = 92,068.02 × 36,500.76
  4. Step 4: Simplify right side
    66,715.92x = 3,360,552,701.70
  5. Step 5: Solve for x
    x = 3,360,552,701.70/66,715.92
  6. Step 6: Final answer
    x = 50,371.08

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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.