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Finding the Fourth Proportional to 65,000.52, 89,700.75 and 35,192.52

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Solution

The fourth proportional to 65,000.52, 89,700.75 and 35,192.52 is: 48,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,000.52 : 89,700.75 = 35,192.52 : x
  2. Step 2: Convert to fraction form
    65,000.52/89,700.75 = 35,192.52/x
  3. Step 3: Cross multiply
    65,000.52x = 89,700.75 × 35,192.52
  4. Step 4: Simplify right side
    65,000.52x = 3,156,795,438.39
  5. Step 5: Solve for x
    x = 3,156,795,438.39/65,000.52
  6. Step 6: Final answer
    x = 48,565.70

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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.