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Finding the Fourth Proportional to 62,547.78, 93,821.86 and 15,162.69

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Solution

The fourth proportional to 62,547.78, 93,821.86 and 15,162.69 is: 22,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,547.78 : 93,821.86 = 15,162.69 : x
  2. Step 2: Convert to fraction form
    62,547.78/93,821.86 = 15,162.69/x
  3. Step 3: Cross multiply
    62,547.78x = 93,821.86 × 15,162.69
  4. Step 4: Simplify right side
    62,547.78x = 1,422,591,778.40
  5. Step 5: Solve for x
    x = 1,422,591,778.40/62,547.78
  6. Step 6: Final answer
    x = 22,744.08

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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.