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Finding the Fourth Proportional to 24,165.40, 36,204.90 and 20,709.40

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Solution

The fourth proportional to 24,165.40, 36,204.90 and 20,709.40 is: 31,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,165.40 : 36,204.90 = 20,709.40 : x
  2. Step 2: Convert to fraction form
    24,165.40/36,204.90 = 20,709.40/x
  3. Step 3: Cross multiply
    24,165.40x = 36,204.90 × 20,709.40
  4. Step 4: Simplify right side
    24,165.40x = 749,781,756.06
  5. Step 5: Solve for x
    x = 749,781,756.06/24,165.40
  6. Step 6: Final answer
    x = 31,027.08

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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.