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Finding the Fourth Proportional to 22,088.70, 30,443.04 and 15,352.74

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Solution

The fourth proportional to 22,088.70, 30,443.04 and 15,352.74 is: 21,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,088.70 : 30,443.04 = 15,352.74 : x
  2. Step 2: Convert to fraction form
    22,088.70/30,443.04 = 15,352.74/x
  3. Step 3: Cross multiply
    22,088.70x = 30,443.04 × 15,352.74
  4. Step 4: Simplify right side
    22,088.70x = 467,384,077.93
  5. Step 5: Solve for x
    x = 467,384,077.93/22,088.70
  6. Step 6: Final answer
    x = 21,159.42

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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.