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Finding the Fourth Proportional to 22,442.40, 30,983.40 and 14,898.92

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Solution

The fourth proportional to 22,442.40, 30,983.40 and 14,898.92 is: 20,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.40 : 30,983.40 = 14,898.92 : x
  2. Step 2: Convert to fraction form
    22,442.40/30,983.40 = 14,898.92/x
  3. Step 3: Cross multiply
    22,442.40x = 30,983.40 × 14,898.92
  4. Step 4: Simplify right side
    22,442.40x = 461,619,043.01
  5. Step 5: Solve for x
    x = 461,619,043.01/22,442.40
  6. Step 6: Final answer
    x = 20,569.06

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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.