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Finding the Fourth Proportional to 24,513.60, 36,705.60 and 19,286.40

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Solution

The fourth proportional to 24,513.60, 36,705.60 and 19,286.40 is: 28,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,513.60 : 36,705.60 = 19,286.40 : x
  2. Step 2: Convert to fraction form
    24,513.60/36,705.60 = 19,286.40/x
  3. Step 3: Cross multiply
    24,513.60x = 36,705.60 × 19,286.40
  4. Step 4: Simplify right side
    24,513.60x = 707,918,883.84
  5. Step 5: Solve for x
    x = 707,918,883.84/24,513.60
  6. Step 6: Final answer
    x = 28,878.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.