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Finding the Fourth Proportional to 24,513.94, 36,784.92 and 20,403.76

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Solution

The fourth proportional to 24,513.94, 36,784.92 and 20,403.76 is: 30,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,513.94 : 36,784.92 = 20,403.76 : x
  2. Step 2: Convert to fraction form
    24,513.94/36,784.92 = 20,403.76/x
  3. Step 3: Cross multiply
    24,513.94x = 36,784.92 × 20,403.76
  4. Step 4: Simplify right side
    24,513.94x = 750,550,679.30
  5. Step 5: Solve for x
    x = 750,550,679.30/24,513.94
  6. Step 6: Final answer
    x = 30,617.30

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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.