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Finding the Fourth Proportional to 16,652.79, 22,978.08 and 9,941.13

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Solution

The fourth proportional to 16,652.79, 22,978.08 and 9,941.13 is: 13,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,652.79 : 22,978.08 = 9,941.13 : x
  2. Step 2: Convert to fraction form
    16,652.79/22,978.08 = 9,941.13/x
  3. Step 3: Cross multiply
    16,652.79x = 22,978.08 × 9,941.13
  4. Step 4: Simplify right side
    16,652.79x = 228,428,080.43
  5. Step 5: Solve for x
    x = 228,428,080.43/16,652.79
  6. Step 6: Final answer
    x = 13,717.11

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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.