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Finding the Fourth Proportional to 25,898.60, 38,847.90 and 19,337.60

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Solution

The fourth proportional to 25,898.60, 38,847.90 and 19,337.60 is: 29,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898.60 : 38,847.90 = 19,337.60 : x
  2. Step 2: Convert to fraction form
    25,898.60/38,847.90 = 19,337.60/x
  3. Step 3: Cross multiply
    25,898.60x = 38,847.90 × 19,337.60
  4. Step 4: Simplify right side
    25,898.60x = 751,225,151.04
  5. Step 5: Solve for x
    x = 751,225,151.04/25,898.60
  6. Step 6: Final answer
    x = 29,006.40

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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.