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Finding the Fourth Proportional to 60,987.29, 84,163.71 and 36,788.13

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Solution

The fourth proportional to 60,987.29, 84,163.71 and 36,788.13 is: 50,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,987.29 : 84,163.71 = 36,788.13 : x
  2. Step 2: Convert to fraction form
    60,987.29/84,163.71 = 36,788.13/x
  3. Step 3: Cross multiply
    60,987.29x = 84,163.71 × 36,788.13
  4. Step 4: Simplify right side
    60,987.29x = 3,096,225,504.76
  5. Step 5: Solve for x
    x = 3,096,225,504.76/60,987.29
  6. Step 6: Final answer
    x = 50,768.38

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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.