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Finding the Fourth Proportional to 60,614.46, 90,915.96 and 28,586.09

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Solution

The fourth proportional to 60,614.46, 90,915.96 and 28,586.09 is: 42,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,614.46 : 90,915.96 = 28,586.09 : x
  2. Step 2: Convert to fraction form
    60,614.46/90,915.96 = 28,586.09/x
  3. Step 3: Cross multiply
    60,614.46x = 90,915.96 × 28,586.09
  4. Step 4: Simplify right side
    60,614.46x = 2,598,931,672.07
  5. Step 5: Solve for x
    x = 2,598,931,672.07/60,614.46
  6. Step 6: Final answer
    x = 42,876.43

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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.