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Finding the Fourth Proportional to 62,702.64, 94,059.44 and 20,570.10

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Solution

The fourth proportional to 62,702.64, 94,059.44 and 20,570.10 is: 30,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,702.64 : 94,059.44 = 20,570.10 : x
  2. Step 2: Convert to fraction form
    62,702.64/94,059.44 = 20,570.10/x
  3. Step 3: Cross multiply
    62,702.64x = 94,059.44 × 20,570.10
  4. Step 4: Simplify right side
    62,702.64x = 1,934,812,086.74
  5. Step 5: Solve for x
    x = 1,934,812,086.74/62,702.64
  6. Step 6: Final answer
    x = 30,856.95

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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.