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Finding the Fourth Proportional to 69,349.32, 95,702.08 and 39,141.08

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Solution

The fourth proportional to 69,349.32, 95,702.08 and 39,141.08 is: 54,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,349.32 : 95,702.08 = 39,141.08 : x
  2. Step 2: Convert to fraction form
    69,349.32/95,702.08 = 39,141.08/x
  3. Step 3: Cross multiply
    69,349.32x = 95,702.08 × 39,141.08
  4. Step 4: Simplify right side
    69,349.32x = 3,745,882,769.45
  5. Step 5: Solve for x
    x = 3,745,882,769.45/69,349.32
  6. Step 6: Final answer
    x = 54,014.70

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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.