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Finding the Fourth Proportional to 40,586.86, 60,865.71 and 15,614.16

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Solution

The fourth proportional to 40,586.86, 60,865.71 and 15,614.16 is: 23,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,586.86 : 60,865.71 = 15,614.16 : x
  2. Step 2: Convert to fraction form
    40,586.86/60,865.71 = 15,614.16/x
  3. Step 3: Cross multiply
    40,586.86x = 60,865.71 × 15,614.16
  4. Step 4: Simplify right side
    40,586.86x = 950,366,934.45
  5. Step 5: Solve for x
    x = 950,366,934.45/40,586.86
  6. Step 6: Final answer
    x = 23,415.63

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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.