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Finding the Fourth Proportional to 16,503.60, 24,774.60 and 9,937.20

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Solution

The fourth proportional to 16,503.60, 24,774.60 and 9,937.20 is: 14,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.60 : 24,774.60 = 9,937.20 : x
  2. Step 2: Convert to fraction form
    16,503.60/24,774.60 = 9,937.20/x
  3. Step 3: Cross multiply
    16,503.60x = 24,774.60 × 9,937.20
  4. Step 4: Simplify right side
    16,503.60x = 246,190,155.12
  5. Step 5: Solve for x
    x = 246,190,155.12/16,503.60
  6. Step 6: Final answer
    x = 14,917.36

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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.