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Finding the Fourth Proportional to 7,053.23, 9,778.02 and 6,678.72

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Solution

The fourth proportional to 7,053.23, 9,778.02 and 6,678.72 is: 9,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.23 : 9,778.02 = 6,678.72 : x
  2. Step 2: Convert to fraction form
    7,053.23/9,778.02 = 6,678.72/x
  3. Step 3: Cross multiply
    7,053.23x = 9,778.02 × 6,678.72
  4. Step 4: Simplify right side
    7,053.23x = 65,304,670.26
  5. Step 5: Solve for x
    x = 65,304,670.26/7,053.23
  6. Step 6: Final answer
    x = 9,258.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.