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Finding the Fourth Proportional to 5,452.80, 8,167.05 and 4,723.80

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Solution

The fourth proportional to 5,452.80, 8,167.05 and 4,723.80 is: 7,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.80 : 8,167.05 = 4,723.80 : x
  2. Step 2: Convert to fraction form
    5,452.80/8,167.05 = 4,723.80/x
  3. Step 3: Cross multiply
    5,452.80x = 8,167.05 × 4,723.80
  4. Step 4: Simplify right side
    5,452.80x = 38,579,510.79
  5. Step 5: Solve for x
    x = 38,579,510.79/5,452.80
  6. Step 6: Final answer
    x = 7,075.17

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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.