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Finding the Fourth Proportional to 24,800.40, 37,157.40 and 20,912.40

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Solution

The fourth proportional to 24,800.40, 37,157.40 and 20,912.40 is: 31,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,800.40 : 37,157.40 = 20,912.40 : x
  2. Step 2: Convert to fraction form
    24,800.40/37,157.40 = 20,912.40/x
  3. Step 3: Cross multiply
    24,800.40x = 37,157.40 × 20,912.40
  4. Step 4: Simplify right side
    24,800.40x = 777,050,411.76
  5. Step 5: Solve for x
    x = 777,050,411.76/24,800.40
  6. Step 6: Final answer
    x = 31,332.17

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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.