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Finding the Fourth Proportional to 59,098.60, 88,647.90 and 19,659.70

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Solution

The fourth proportional to 59,098.60, 88,647.90 and 19,659.70 is: 29,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,098.60 : 88,647.90 = 19,659.70 : x
  2. Step 2: Convert to fraction form
    59,098.60/88,647.90 = 19,659.70/x
  3. Step 3: Cross multiply
    59,098.60x = 88,647.90 × 19,659.70
  4. Step 4: Simplify right side
    59,098.60x = 1,742,791,119.63
  5. Step 5: Solve for x
    x = 1,742,791,119.63/59,098.60
  6. Step 6: Final answer
    x = 29,489.55

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Similar ratio
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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.