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Finding the Fourth Proportional to 60,885.30, 84,058.05 and 38,243.68

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Solution

The fourth proportional to 60,885.30, 84,058.05 and 38,243.68 is: 52,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,885.30 : 84,058.05 = 38,243.68 : x
  2. Step 2: Convert to fraction form
    60,885.30/84,058.05 = 38,243.68/x
  3. Step 3: Cross multiply
    60,885.30x = 84,058.05 × 38,243.68
  4. Step 4: Simplify right side
    60,885.30x = 3,214,689,098.89
  5. Step 5: Solve for x
    x = 3,214,689,098.89/60,885.30
  6. Step 6: Final answer
    x = 52,799.10

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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.