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Finding the Fourth Proportional to 16,617.15, 22,937.18 and 9,904.88

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Solution

The fourth proportional to 16,617.15, 22,937.18 and 9,904.88 is: 13,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.15 : 22,937.18 = 9,904.88 : x
  2. Step 2: Convert to fraction form
    16,617.15/22,937.18 = 9,904.88/x
  3. Step 3: Cross multiply
    16,617.15x = 22,937.18 × 9,904.88
  4. Step 4: Simplify right side
    16,617.15x = 227,190,023.26
  5. Step 5: Solve for x
    x = 227,190,023.26/16,617.15
  6. Step 6: Final answer
    x = 13,672.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.