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Finding the Fourth Proportional to 60,906.68, 84,026.58 and 40,498.52

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Solution

The fourth proportional to 60,906.68, 84,026.58 and 40,498.52 is: 55,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.68 : 84,026.58 = 40,498.52 : x
  2. Step 2: Convert to fraction form
    60,906.68/84,026.58 = 40,498.52/x
  3. Step 3: Cross multiply
    60,906.68x = 84,026.58 × 40,498.52
  4. Step 4: Simplify right side
    60,906.68x = 3,402,952,130.66
  5. Step 5: Solve for x
    x = 3,402,952,130.66/60,906.68
  6. Step 6: Final answer
    x = 55,871.57

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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.