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Finding the Fourth Proportional to 5,510.20, 7,604 and 2,992.12

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Solution

The fourth proportional to 5,510.20, 7,604 and 2,992.12 is: 4,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.20 : 7,604 = 2,992.12 : x
  2. Step 2: Convert to fraction form
    5,510.20/7,604 = 2,992.12/x
  3. Step 3: Cross multiply
    5,510.20x = 7,604 × 2,992.12
  4. Step 4: Simplify right side
    5,510.20x = 22,752,080.48
  5. Step 5: Solve for x
    x = 22,752,080.48/5,510.20
  6. Step 6: Final answer
    x = 4,129.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.