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Finding the Fourth Proportional to 24,449.80, 36,680.12 and 7,810.80

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Solution

The fourth proportional to 24,449.80, 36,680.12 and 7,810.80 is: 11,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,449.80 : 36,680.12 = 7,810.80 : x
  2. Step 2: Convert to fraction form
    24,449.80/36,680.12 = 7,810.80/x
  3. Step 3: Cross multiply
    24,449.80x = 36,680.12 × 7,810.80
  4. Step 4: Simplify right side
    24,449.80x = 286,501,081.30
  5. Step 5: Solve for x
    x = 286,501,081.30/24,449.80
  6. Step 6: Final answer
    x = 11,717.93

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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.