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Finding the Fourth Proportional to 39,562.40, 59,392.20 and 21,807.20

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Solution

The fourth proportional to 39,562.40, 59,392.20 and 21,807.20 is: 32,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.40 : 59,392.20 = 21,807.20 : x
  2. Step 2: Convert to fraction form
    39,562.40/59,392.20 = 21,807.20/x
  3. Step 3: Cross multiply
    39,562.40x = 59,392.20 × 21,807.20
  4. Step 4: Simplify right side
    39,562.40x = 1,295,177,583.84
  5. Step 5: Solve for x
    x = 1,295,177,583.84/39,562.40
  6. Step 6: Final answer
    x = 32,737.59

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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.