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Finding the Fourth Proportional to 64,432.59, 88,601.67 and 55,919.93

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Solution

The fourth proportional to 64,432.59, 88,601.67 and 55,919.93 is: 76,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,432.59 : 88,601.67 = 55,919.93 : x
  2. Step 2: Convert to fraction form
    64,432.59/88,601.67 = 55,919.93/x
  3. Step 3: Cross multiply
    64,432.59x = 88,601.67 × 55,919.93
  4. Step 4: Simplify right side
    64,432.59x = 4,954,598,741.27
  5. Step 5: Solve for x
    x = 4,954,598,741.27/64,432.59
  6. Step 6: Final answer
    x = 76,895.85

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1.5x scale

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.