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Finding the Fourth Proportional to 24,790.71, 34,211.19 and 13,460.19

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Solution

The fourth proportional to 24,790.71, 34,211.19 and 13,460.19 is: 18,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,790.71 : 34,211.19 = 13,460.19 : x
  2. Step 2: Convert to fraction form
    24,790.71/34,211.19 = 13,460.19/x
  3. Step 3: Cross multiply
    24,790.71x = 34,211.19 × 13,460.19
  4. Step 4: Simplify right side
    24,790.71x = 460,489,117.53
  5. Step 5: Solve for x
    x = 460,489,117.53/24,790.71
  6. Step 6: Final answer
    x = 18,575.07

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Half scale
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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.