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Finding the Fourth Proportional to 63,867.60, 95,805.72 and 19,498.32

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Solution

The fourth proportional to 63,867.60, 95,805.72 and 19,498.32 is: 29,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,867.60 : 95,805.72 = 19,498.32 : x
  2. Step 2: Convert to fraction form
    63,867.60/95,805.72 = 19,498.32/x
  3. Step 3: Cross multiply
    63,867.60x = 95,805.72 × 19,498.32
  4. Step 4: Simplify right side
    63,867.60x = 1,868,050,586.39
  5. Step 5: Solve for x
    x = 1,868,050,586.39/63,867.60
  6. Step 6: Final answer
    x = 29,248.80

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1.5x scale

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.