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Finding the Fourth Proportional to 60,428.13, 83,393.16 and 41,347.90

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Solution

The fourth proportional to 60,428.13, 83,393.16 and 41,347.90 is: 57,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428.13 : 83,393.16 = 41,347.90 : x
  2. Step 2: Convert to fraction form
    60,428.13/83,393.16 = 41,347.90/x
  3. Step 3: Cross multiply
    60,428.13x = 83,393.16 × 41,347.90
  4. Step 4: Simplify right side
    60,428.13x = 3,448,132,040.36
  5. Step 5: Solve for x
    x = 3,448,132,040.36/60,428.13
  6. Step 6: Final answer
    x = 57,061.70

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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.