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Finding the Fourth Proportional to 60,405.79, 83,346.73 and 36,531.95

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Solution

The fourth proportional to 60,405.79, 83,346.73 and 36,531.95 is: 50,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,405.79 : 83,346.73 = 36,531.95 : x
  2. Step 2: Convert to fraction form
    60,405.79/83,346.73 = 36,531.95/x
  3. Step 3: Cross multiply
    60,405.79x = 83,346.73 × 36,531.95
  4. Step 4: Simplify right side
    60,405.79x = 3,044,818,573.02
  5. Step 5: Solve for x
    x = 3,044,818,573.02/60,405.79
  6. Step 6: Final answer
    x = 50,406.07

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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.