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Finding the Fourth Proportional to 39,880.80, 59,821.29 and 37,445.04

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Solution

The fourth proportional to 39,880.80, 59,821.29 and 37,445.04 is: 56,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.80 : 59,821.29 = 37,445.04 : x
  2. Step 2: Convert to fraction form
    39,880.80/59,821.29 = 37,445.04/x
  3. Step 3: Cross multiply
    39,880.80x = 59,821.29 × 37,445.04
  4. Step 4: Simplify right side
    39,880.80x = 2,240,010,596.90
  5. Step 5: Solve for x
    x = 2,240,010,596.90/39,880.80
  6. Step 6: Final answer
    x = 56,167.64

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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.