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Finding the Fourth Proportional to 60,057.28, 89,950.56 and 28,915.84

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Solution

The fourth proportional to 60,057.28, 89,950.56 and 28,915.84 is: 43,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,057.28 : 89,950.56 = 28,915.84 : x
  2. Step 2: Convert to fraction form
    60,057.28/89,950.56 = 28,915.84/x
  3. Step 3: Cross multiply
    60,057.28x = 89,950.56 × 28,915.84
  4. Step 4: Simplify right side
    60,057.28x = 2,600,996,000.87
  5. Step 5: Solve for x
    x = 2,600,996,000.87/60,057.28
  6. Step 6: Final answer
    x = 43,308.59

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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.