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Finding the Fourth Proportional to 28,250.84, 42,359.84 and 10,711.10

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Solution

The fourth proportional to 28,250.84, 42,359.84 and 10,711.10 is: 16,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.84 : 42,359.84 = 10,711.10 : x
  2. Step 2: Convert to fraction form
    28,250.84/42,359.84 = 10,711.10/x
  3. Step 3: Cross multiply
    28,250.84x = 42,359.84 × 10,711.10
  4. Step 4: Simplify right side
    28,250.84x = 453,720,297.20
  5. Step 5: Solve for x
    x = 453,720,297.20/28,250.84
  6. Step 6: Final answer
    x = 16,060.42

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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.