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Finding the Fourth Proportional to 38,148.40, 57,246.90 and 22,353.40

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Solution

The fourth proportional to 38,148.40, 57,246.90 and 22,353.40 is: 33,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.40 : 57,246.90 = 22,353.40 : x
  2. Step 2: Convert to fraction form
    38,148.40/57,246.90 = 22,353.40/x
  3. Step 3: Cross multiply
    38,148.40x = 57,246.90 × 22,353.40
  4. Step 4: Simplify right side
    38,148.40x = 1,279,662,854.46
  5. Step 5: Solve for x
    x = 1,279,662,854.46/38,148.40
  6. Step 6: Final answer
    x = 33,544.34

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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.