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Finding the Fourth Proportional to 52,879.80, 79,254.90 and 23,266.20

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Solution

The fourth proportional to 52,879.80, 79,254.90 and 23,266.20 is: 34,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.80 : 79,254.90 = 23,266.20 : x
  2. Step 2: Convert to fraction form
    52,879.80/79,254.90 = 23,266.20/x
  3. Step 3: Cross multiply
    52,879.80x = 79,254.90 × 23,266.20
  4. Step 4: Simplify right side
    52,879.80x = 1,843,960,354.38
  5. Step 5: Solve for x
    x = 1,843,960,354.38/52,879.80
  6. Step 6: Final answer
    x = 34,870.79

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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.