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Finding the Fourth Proportional to 62,750.74, 86,565.62 and 41,547.77

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Solution

The fourth proportional to 62,750.74, 86,565.62 and 41,547.77 is: 57,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,750.74 : 86,565.62 = 41,547.77 : x
  2. Step 2: Convert to fraction form
    62,750.74/86,565.62 = 41,547.77/x
  3. Step 3: Cross multiply
    62,750.74x = 86,565.62 × 41,547.77
  4. Step 4: Simplify right side
    62,750.74x = 3,596,608,261.93
  5. Step 5: Solve for x
    x = 3,596,608,261.93/62,750.74
  6. Step 6: Final answer
    x = 57,315.79

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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.