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Finding the Fourth Proportional to 28,077.30, 42,225.30 and 25,234.20

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Solution

The fourth proportional to 28,077.30, 42,225.30 and 25,234.20 is: 37,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.30 : 42,225.30 = 25,234.20 : x
  2. Step 2: Convert to fraction form
    28,077.30/42,225.30 = 25,234.20/x
  3. Step 3: Cross multiply
    28,077.30x = 42,225.30 × 25,234.20
  4. Step 4: Simplify right side
    28,077.30x = 1,065,521,665.26
  5. Step 5: Solve for x
    x = 1,065,521,665.26/28,077.30
  6. Step 6: Final answer
    x = 37,949.58

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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.