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Finding the Fourth Proportional to 22,403.28, 33,612.48 and 9,926.40

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Solution

The fourth proportional to 22,403.28, 33,612.48 and 9,926.40 is: 14,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.28 : 33,612.48 = 9,926.40 : x
  2. Step 2: Convert to fraction form
    22,403.28/33,612.48 = 9,926.40/x
  3. Step 3: Cross multiply
    22,403.28x = 33,612.48 × 9,926.40
  4. Step 4: Simplify right side
    22,403.28x = 333,650,921.47
  5. Step 5: Solve for x
    x = 333,650,921.47/22,403.28
  6. Step 6: Final answer
    x = 14,892.95

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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.