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Finding the Fourth Proportional to 60,981.54, 91,407.48 and 29,371.86

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Solution

The fourth proportional to 60,981.54, 91,407.48 and 29,371.86 is: 44,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,981.54 : 91,407.48 = 29,371.86 : x
  2. Step 2: Convert to fraction form
    60,981.54/91,407.48 = 29,371.86/x
  3. Step 3: Cross multiply
    60,981.54x = 91,407.48 × 29,371.86
  4. Step 4: Simplify right side
    60,981.54x = 2,684,807,705.51
  5. Step 5: Solve for x
    x = 2,684,807,705.51/60,981.54
  6. Step 6: Final answer
    x = 44,026.56

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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.