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Finding the Fourth Proportional to 39,751.88, 59,643.20 and 17,549.60

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Solution

The fourth proportional to 39,751.88, 59,643.20 and 17,549.60 is: 26,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.88 : 59,643.20 = 17,549.60 : x
  2. Step 2: Convert to fraction form
    39,751.88/59,643.20 = 17,549.60/x
  3. Step 3: Cross multiply
    39,751.88x = 59,643.20 × 17,549.60
  4. Step 4: Simplify right side
    39,751.88x = 1,046,714,302.72
  5. Step 5: Solve for x
    x = 1,046,714,302.72/39,751.88
  6. Step 6: Final answer
    x = 26,331.19

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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.