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Finding the Fourth Proportional to 12,501, 17,251.65 and 7,194.96

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Solution

The fourth proportional to 12,501, 17,251.65 and 7,194.96 is: 9,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501 : 17,251.65 = 7,194.96 : x
  2. Step 2: Convert to fraction form
    12,501/17,251.65 = 7,194.96/x
  3. Step 3: Cross multiply
    12,501x = 17,251.65 × 7,194.96
  4. Step 4: Simplify right side
    12,501x = 124,124,931.68
  5. Step 5: Solve for x
    x = 124,124,931.68/12,501
  6. Step 6: Final answer
    x = 9,929.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.