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Finding the Fourth Proportional to 38,641.50, 53,325.81 and 22,508.39

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Solution

The fourth proportional to 38,641.50, 53,325.81 and 22,508.39 is: 31,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,641.50 : 53,325.81 = 22,508.39 : x
  2. Step 2: Convert to fraction form
    38,641.50/53,325.81 = 22,508.39/x
  3. Step 3: Cross multiply
    38,641.50x = 53,325.81 × 22,508.39
  4. Step 4: Simplify right side
    38,641.50x = 1,200,278,128.55
  5. Step 5: Solve for x
    x = 1,200,278,128.55/38,641.50
  6. Step 6: Final answer
    x = 31,061.89

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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.