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Finding the Fourth Proportional to 58,440.76, 80,648.94 and 31,944.76

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Solution

The fourth proportional to 58,440.76, 80,648.94 and 31,944.76 is: 44,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,440.76 : 80,648.94 = 31,944.76 : x
  2. Step 2: Convert to fraction form
    58,440.76/80,648.94 = 31,944.76/x
  3. Step 3: Cross multiply
    58,440.76x = 80,648.94 × 31,944.76
  4. Step 4: Simplify right side
    58,440.76x = 2,576,311,032.55
  5. Step 5: Solve for x
    x = 2,576,311,032.55/58,440.76
  6. Step 6: Final answer
    x = 44,084.15

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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.