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Finding the Fourth Proportional to 62,064.90, 93,119.90 and 30,471.59

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Solution

The fourth proportional to 62,064.90, 93,119.90 and 30,471.59 is: 45,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,064.90 : 93,119.90 = 30,471.59 : x
  2. Step 2: Convert to fraction form
    62,064.90/93,119.90 = 30,471.59/x
  3. Step 3: Cross multiply
    62,064.90x = 93,119.90 × 30,471.59
  4. Step 4: Simplify right side
    62,064.90x = 2,837,511,494.08
  5. Step 5: Solve for x
    x = 2,837,511,494.08/62,064.90
  6. Step 6: Final answer
    x = 45,718.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.