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Finding the Fourth Proportional to 59,247.90, 81,762.09 and 32,390.40

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Solution

The fourth proportional to 59,247.90, 81,762.09 and 32,390.40 is: 44,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,247.90 : 81,762.09 = 32,390.40 : x
  2. Step 2: Convert to fraction form
    59,247.90/81,762.09 = 32,390.40/x
  3. Step 3: Cross multiply
    59,247.90x = 81,762.09 × 32,390.40
  4. Step 4: Simplify right side
    59,247.90x = 2,648,306,799.94
  5. Step 5: Solve for x
    x = 2,648,306,799.94/59,247.90
  6. Step 6: Final answer
    x = 44,698.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.