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Finding the Fourth Proportional to 22,989.47, 34,476.90 and 7,403.45

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Solution

The fourth proportional to 22,989.47, 34,476.90 and 7,403.45 is: 11,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.47 : 34,476.90 = 7,403.45 : x
  2. Step 2: Convert to fraction form
    22,989.47/34,476.90 = 7,403.45/x
  3. Step 3: Cross multiply
    22,989.47x = 34,476.90 × 7,403.45
  4. Step 4: Simplify right side
    22,989.47x = 255,247,832.92
  5. Step 5: Solve for x
    x = 255,247,832.92/22,989.47
  6. Step 6: Final answer
    x = 11,102.82

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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.