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Finding the Fourth Proportional to 25,323.40, 37,912.20 and 22,407.40

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Solution

The fourth proportional to 25,323.40, 37,912.20 and 22,407.40 is: 33,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,323.40 : 37,912.20 = 22,407.40 : x
  2. Step 2: Convert to fraction form
    25,323.40/37,912.20 = 22,407.40/x
  3. Step 3: Cross multiply
    25,323.40x = 37,912.20 × 22,407.40
  4. Step 4: Simplify right side
    25,323.40x = 849,513,830.28
  5. Step 5: Solve for x
    x = 849,513,830.28/25,323.40
  6. Step 6: Final answer
    x = 33,546.59

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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.