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Finding the Fourth Proportional to 60,959.86, 91,439.82 and 40,032.10

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Solution

The fourth proportional to 60,959.86, 91,439.82 and 40,032.10 is: 60,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,959.86 : 91,439.82 = 40,032.10 : x
  2. Step 2: Convert to fraction form
    60,959.86/91,439.82 = 40,032.10/x
  3. Step 3: Cross multiply
    60,959.86x = 91,439.82 × 40,032.10
  4. Step 4: Simplify right side
    60,959.86x = 3,660,528,018.22
  5. Step 5: Solve for x
    x = 3,660,528,018.22/60,959.86
  6. Step 6: Final answer
    x = 60,048.17

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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.