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Finding the Fourth Proportional to 7,193.16, 10,780.44 and 7,008.66

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Solution

The fourth proportional to 7,193.16, 10,780.44 and 7,008.66 is: 10,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.16 : 10,780.44 = 7,008.66 : x
  2. Step 2: Convert to fraction form
    7,193.16/10,780.44 = 7,008.66/x
  3. Step 3: Cross multiply
    7,193.16x = 10,780.44 × 7,008.66
  4. Step 4: Simplify right side
    7,193.16x = 75,556,438.61
  5. Step 5: Solve for x
    x = 75,556,438.61/7,193.16
  6. Step 6: Final answer
    x = 10,503.93

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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.