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Finding the Fourth Proportional to 28,250.59, 42,392.09 and 10,493.59

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Solution

The fourth proportional to 28,250.59, 42,392.09 and 10,493.59 is: 15,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.59 : 42,392.09 = 10,493.59 : x
  2. Step 2: Convert to fraction form
    28,250.59/42,392.09 = 10,493.59/x
  3. Step 3: Cross multiply
    28,250.59x = 42,392.09 × 10,493.59
  4. Step 4: Simplify right side
    28,250.59x = 444,845,211.70
  5. Step 5: Solve for x
    x = 444,845,211.70/28,250.59
  6. Step 6: Final answer
    x = 15,746.40

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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.