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Finding the Fourth Proportional to 28,841.49, 43,255.76 and 10,373.49

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Solution

The fourth proportional to 28,841.49, 43,255.76 and 10,373.49 is: 15,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.49 : 43,255.76 = 10,373.49 : x
  2. Step 2: Convert to fraction form
    28,841.49/43,255.76 = 10,373.49/x
  3. Step 3: Cross multiply
    28,841.49x = 43,255.76 × 10,373.49
  4. Step 4: Simplify right side
    28,841.49x = 448,713,141.93
  5. Step 5: Solve for x
    x = 448,713,141.93/28,841.49
  6. Step 6: Final answer
    x = 15,557.90

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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.