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Finding the Fourth Proportional to 22,088.61, 30,480.01 and 13,134.39

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Solution

The fourth proportional to 22,088.61, 30,480.01 and 13,134.39 is: 18,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,088.61 : 30,480.01 = 13,134.39 : x
  2. Step 2: Convert to fraction form
    22,088.61/30,480.01 = 13,134.39/x
  3. Step 3: Cross multiply
    22,088.61x = 30,480.01 × 13,134.39
  4. Step 4: Simplify right side
    22,088.61x = 400,336,240.66
  5. Step 5: Solve for x
    x = 400,336,240.66/22,088.61
  6. Step 6: Final answer
    x = 18,124.10

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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.