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Finding the Fourth Proportional to 12,574.29, 17,351.61 and 7,269

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Solution

The fourth proportional to 12,574.29, 17,351.61 and 7,269 is: 10,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.29 : 17,351.61 = 7,269 : x
  2. Step 2: Convert to fraction form
    12,574.29/17,351.61 = 7,269/x
  3. Step 3: Cross multiply
    12,574.29x = 17,351.61 × 7,269
  4. Step 4: Simplify right side
    12,574.29x = 126,128,853.09
  5. Step 5: Solve for x
    x = 126,128,853.09/12,574.29
  6. Step 6: Final answer
    x = 10,030.69

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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.