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Finding the Fourth Proportional to 69,489.38, 95,900.13 and 42,276.08

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Solution

The fourth proportional to 69,489.38, 95,900.13 and 42,276.08 is: 58,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489.38 : 95,900.13 = 42,276.08 : x
  2. Step 2: Convert to fraction form
    69,489.38/95,900.13 = 42,276.08/x
  3. Step 3: Cross multiply
    69,489.38x = 95,900.13 × 42,276.08
  4. Step 4: Simplify right side
    69,489.38x = 4,054,281,088.39
  5. Step 5: Solve for x
    x = 4,054,281,088.39/69,489.38
  6. Step 6: Final answer
    x = 58,343.90

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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.