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Finding the Fourth Proportional to 7,220.59, 10,808.19 and 7,052.11

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Solution

The fourth proportional to 7,220.59, 10,808.19 and 7,052.11 is: 10,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.59 : 10,808.19 = 7,052.11 : x
  2. Step 2: Convert to fraction form
    7,220.59/10,808.19 = 7,052.11/x
  3. Step 3: Cross multiply
    7,220.59x = 10,808.19 × 7,052.11
  4. Step 4: Simplify right side
    7,220.59x = 76,220,544.78
  5. Step 5: Solve for x
    x = 76,220,544.78/7,220.59
  6. Step 6: Final answer
    x = 10,556.00

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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.