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Finding the Fourth Proportional to 5,510.80, 7,604.83 and 2,992.90

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Solution

The fourth proportional to 5,510.80, 7,604.83 and 2,992.90 is: 4,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.80 : 7,604.83 = 2,992.90 : x
  2. Step 2: Convert to fraction form
    5,510.80/7,604.83 = 2,992.90/x
  3. Step 3: Cross multiply
    5,510.80x = 7,604.83 × 2,992.90
  4. Step 4: Simplify right side
    5,510.80x = 22,760,495.71
  5. Step 5: Solve for x
    x = 22,760,495.71/5,510.80
  6. Step 6: Final answer
    x = 4,130.16

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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.