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Finding the Fourth Proportional to 42,203.88, 58,238.88 and 23,339.76

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Solution

The fourth proportional to 42,203.88, 58,238.88 and 23,339.76 is: 32,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203.88 : 58,238.88 = 23,339.76 : x
  2. Step 2: Convert to fraction form
    42,203.88/58,238.88 = 23,339.76/x
  3. Step 3: Cross multiply
    42,203.88x = 58,238.88 × 23,339.76
  4. Step 4: Simplify right side
    42,203.88x = 1,359,281,481.87
  5. Step 5: Solve for x
    x = 1,359,281,481.87/42,203.88
  6. Step 6: Final answer
    x = 32,207.50

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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.