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Finding the Fourth Proportional to 57,432.37, 86,206.88 and 40,811.17

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Solution

The fourth proportional to 57,432.37, 86,206.88 and 40,811.17 is: 61,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,432.37 : 86,206.88 = 40,811.17 : x
  2. Step 2: Convert to fraction form
    57,432.37/86,206.88 = 40,811.17/x
  3. Step 3: Cross multiply
    57,432.37x = 86,206.88 × 40,811.17
  4. Step 4: Simplify right side
    57,432.37x = 3,518,203,634.85
  5. Step 5: Solve for x
    x = 3,518,203,634.85/57,432.37
  6. Step 6: Final answer
    x = 61,258.20

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1.5x scale

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.