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Finding the Fourth Proportional to 11,266.44, 15,545.06 and 6,547.88

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Solution

The fourth proportional to 11,266.44, 15,545.06 and 6,547.88 is: 9,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.44 : 15,545.06 = 6,547.88 : x
  2. Step 2: Convert to fraction form
    11,266.44/15,545.06 = 6,547.88/x
  3. Step 3: Cross multiply
    11,266.44x = 15,545.06 × 6,547.88
  4. Step 4: Simplify right side
    11,266.44x = 101,787,187.47
  5. Step 5: Solve for x
    x = 101,787,187.47/11,266.44
  6. Step 6: Final answer
    x = 9,034.55

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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.