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Finding the Fourth Proportional to 40,559.32, 60,868.16 and 14,286.16

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Solution

The fourth proportional to 40,559.32, 60,868.16 and 14,286.16 is: 21,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,559.32 : 60,868.16 = 14,286.16 : x
  2. Step 2: Convert to fraction form
    40,559.32/60,868.16 = 14,286.16/x
  3. Step 3: Cross multiply
    40,559.32x = 60,868.16 × 14,286.16
  4. Step 4: Simplify right side
    40,559.32x = 869,572,272.67
  5. Step 5: Solve for x
    x = 869,572,272.67/40,559.32
  6. Step 6: Final answer
    x = 21,439.52

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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.