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Finding the Fourth Proportional to 24,684.78, 34,064.94 and 13,506.78

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Solution

The fourth proportional to 24,684.78, 34,064.94 and 13,506.78 is: 18,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,684.78 : 34,064.94 = 13,506.78 : x
  2. Step 2: Convert to fraction form
    24,684.78/34,064.94 = 13,506.78/x
  3. Step 3: Cross multiply
    24,684.78x = 34,064.94 × 13,506.78
  4. Step 4: Simplify right side
    24,684.78x = 460,107,650.29
  5. Step 5: Solve for x
    x = 460,107,650.29/24,684.78
  6. Step 6: Final answer
    x = 18,639.33

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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.