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Finding the Fourth Proportional to 17,285.60, 25,909.20 and 8,962.40

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Solution

The fourth proportional to 17,285.60, 25,909.20 and 8,962.40 is: 13,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.60 : 25,909.20 = 8,962.40 : x
  2. Step 2: Convert to fraction form
    17,285.60/25,909.20 = 8,962.40/x
  3. Step 3: Cross multiply
    17,285.60x = 25,909.20 × 8,962.40
  4. Step 4: Simplify right side
    17,285.60x = 232,208,614.08
  5. Step 5: Solve for x
    x = 232,208,614.08/17,285.60
  6. Step 6: Final answer
    x = 13,433.65

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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.