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Finding the Fourth Proportional to 24,478.25, 33,780.08 and 13,300.25

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Solution

The fourth proportional to 24,478.25, 33,780.08 and 13,300.25 is: 18,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,478.25 : 33,780.08 = 13,300.25 : x
  2. Step 2: Convert to fraction form
    24,478.25/33,780.08 = 13,300.25/x
  3. Step 3: Cross multiply
    24,478.25x = 33,780.08 × 13,300.25
  4. Step 4: Simplify right side
    24,478.25x = 449,283,442.52
  5. Step 5: Solve for x
    x = 449,283,442.52/24,478.25
  6. Step 6: Final answer
    x = 18,354.39

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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.