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Finding the Fourth Proportional to 22,981.84, 34,472.76 and 7,400.68

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Solution

The fourth proportional to 22,981.84, 34,472.76 and 7,400.68 is: 11,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.84 : 34,472.76 = 7,400.68 : x
  2. Step 2: Convert to fraction form
    22,981.84/34,472.76 = 7,400.68/x
  3. Step 3: Cross multiply
    22,981.84x = 34,472.76 × 7,400.68
  4. Step 4: Simplify right side
    22,981.84x = 255,121,865.48
  5. Step 5: Solve for x
    x = 255,121,865.48/22,981.84
  6. Step 6: Final answer
    x = 11,101.02

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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.