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Finding the Fourth Proportional to 24,890.40, 37,292.40 and 21,434.40

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Solution

The fourth proportional to 24,890.40, 37,292.40 and 21,434.40 is: 32,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,890.40 : 37,292.40 = 21,434.40 : x
  2. Step 2: Convert to fraction form
    24,890.40/37,292.40 = 21,434.40/x
  3. Step 3: Cross multiply
    24,890.40x = 37,292.40 × 21,434.40
  4. Step 4: Simplify right side
    24,890.40x = 799,340,218.56
  5. Step 5: Solve for x
    x = 799,340,218.56/24,890.40
  6. Step 6: Final answer
    x = 32,114.40

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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.