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Finding the Fourth Proportional to 11,425.03, 15,751.04 and 8,017.40

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Solution

The fourth proportional to 11,425.03, 15,751.04 and 8,017.40 is: 11,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.03 : 15,751.04 = 8,017.40 : x
  2. Step 2: Convert to fraction form
    11,425.03/15,751.04 = 8,017.40/x
  3. Step 3: Cross multiply
    11,425.03x = 15,751.04 × 8,017.40
  4. Step 4: Simplify right side
    11,425.03x = 126,282,387.39
  5. Step 5: Solve for x
    x = 126,282,387.39/11,425.03
  6. Step 6: Final answer
    x = 11,053.14

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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.