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Finding the Fourth Proportional to 24,599.25, 33,947.10 and 13,421.25

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Solution

The fourth proportional to 24,599.25, 33,947.10 and 13,421.25 is: 18,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,599.25 : 33,947.10 = 13,421.25 : x
  2. Step 2: Convert to fraction form
    24,599.25/33,947.10 = 13,421.25/x
  3. Step 3: Cross multiply
    24,599.25x = 33,947.10 × 13,421.25
  4. Step 4: Simplify right side
    24,599.25x = 455,612,515.88
  5. Step 5: Solve for x
    x = 455,612,515.88/24,599.25
  6. Step 6: Final answer
    x = 18,521.40

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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.