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Finding the Fourth Proportional to 24,398.80, 36,598.20 and 12,085.20

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Solution

The fourth proportional to 24,398.80, 36,598.20 and 12,085.20 is: 18,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,398.80 : 36,598.20 = 12,085.20 : x
  2. Step 2: Convert to fraction form
    24,398.80/36,598.20 = 12,085.20/x
  3. Step 3: Cross multiply
    24,398.80x = 36,598.20 × 12,085.20
  4. Step 4: Simplify right side
    24,398.80x = 442,296,566.64
  5. Step 5: Solve for x
    x = 442,296,566.64/24,398.80
  6. Step 6: Final answer
    x = 18,127.80

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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.