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Finding the Fourth Proportional to 24,699.62, 34,085.49 and 13,521.62

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Solution

The fourth proportional to 24,699.62, 34,085.49 and 13,521.62 is: 18,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,699.62 : 34,085.49 = 13,521.62 : x
  2. Step 2: Convert to fraction form
    24,699.62/34,085.49 = 13,521.62/x
  3. Step 3: Cross multiply
    24,699.62x = 34,085.49 × 13,521.62
  4. Step 4: Simplify right side
    24,699.62x = 460,891,043.29
  5. Step 5: Solve for x
    x = 460,891,043.29/24,699.62
  6. Step 6: Final answer
    x = 18,659.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.