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Finding the Fourth Proportional to 7,009.35, 10,514.02 and 6,658.98

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Solution

The fourth proportional to 7,009.35, 10,514.02 and 6,658.98 is: 9,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.35 : 10,514.02 = 6,658.98 : x
  2. Step 2: Convert to fraction form
    7,009.35/10,514.02 = 6,658.98/x
  3. Step 3: Cross multiply
    7,009.35x = 10,514.02 × 6,658.98
  4. Step 4: Simplify right side
    7,009.35x = 70,012,648.90
  5. Step 5: Solve for x
    x = 70,012,648.90/7,009.35
  6. Step 6: Final answer
    x = 9,988.47

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Similar ratio
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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.