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Finding the Fourth Proportional to 7,258.85, 10,888.29 and 3,098.08

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Solution

The fourth proportional to 7,258.85, 10,888.29 and 3,098.08 is: 4,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.85 : 10,888.29 = 3,098.08 : x
  2. Step 2: Convert to fraction form
    7,258.85/10,888.29 = 3,098.08/x
  3. Step 3: Cross multiply
    7,258.85x = 10,888.29 × 3,098.08
  4. Step 4: Simplify right side
    7,258.85x = 33,732,807.09
  5. Step 5: Solve for x
    x = 33,732,807.09/7,258.85
  6. Step 6: Final answer
    x = 4,647.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.