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Finding the Fourth Proportional to 60,899.06, 84,034.80 and 38,230.81

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Solution

The fourth proportional to 60,899.06, 84,034.80 and 38,230.81 is: 52,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,899.06 : 84,034.80 = 38,230.81 : x
  2. Step 2: Convert to fraction form
    60,899.06/84,034.80 = 38,230.81/x
  3. Step 3: Cross multiply
    60,899.06x = 84,034.80 × 38,230.81
  4. Step 4: Simplify right side
    60,899.06x = 3,212,718,262.10
  5. Step 5: Solve for x
    x = 3,212,718,262.10/60,899.06
  6. Step 6: Final answer
    x = 52,754.81

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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.