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Finding the Fourth Proportional to 7,258.91, 10,839.06 and 7,062.08

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Solution

The fourth proportional to 7,258.91, 10,839.06 and 7,062.08 is: 10,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.91 : 10,839.06 = 7,062.08 : x
  2. Step 2: Convert to fraction form
    7,258.91/10,839.06 = 7,062.08/x
  3. Step 3: Cross multiply
    7,258.91x = 10,839.06 × 7,062.08
  4. Step 4: Simplify right side
    7,258.91x = 76,546,254.65
  5. Step 5: Solve for x
    x = 76,546,254.65/7,258.91
  6. Step 6: Final answer
    x = 10,545.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.