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Finding the Fourth Proportional to 63,792.77, 87,886.62 and 45,856.73

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Solution

The fourth proportional to 63,792.77, 87,886.62 and 45,856.73 is: 63,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,792.77 : 87,886.62 = 45,856.73 : x
  2. Step 2: Convert to fraction form
    63,792.77/87,886.62 = 45,856.73/x
  3. Step 3: Cross multiply
    63,792.77x = 87,886.62 × 45,856.73
  4. Step 4: Simplify right side
    63,792.77x = 4,030,193,223.67
  5. Step 5: Solve for x
    x = 4,030,193,223.67/63,792.77
  6. Step 6: Final answer
    x = 63,176.34

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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.