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Finding the Fourth Proportional to 38,291.90, 52,835.02 and 22,373.28

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Solution

The fourth proportional to 38,291.90, 52,835.02 and 22,373.28 is: 30,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.90 : 52,835.02 = 22,373.28 : x
  2. Step 2: Convert to fraction form
    38,291.90/52,835.02 = 22,373.28/x
  3. Step 3: Cross multiply
    38,291.90x = 52,835.02 × 22,373.28
  4. Step 4: Simplify right side
    38,291.90x = 1,182,092,442.20
  5. Step 5: Solve for x
    x = 1,182,092,442.20/38,291.90
  6. Step 6: Final answer
    x = 30,870.56

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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.