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Finding the Fourth Proportional to 36,549.93, 54,780.72 and 17,801.88

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Solution

The fourth proportional to 36,549.93, 54,780.72 and 17,801.88 is: 26,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,549.93 : 54,780.72 = 17,801.88 : x
  2. Step 2: Convert to fraction form
    36,549.93/54,780.72 = 17,801.88/x
  3. Step 3: Cross multiply
    36,549.93x = 54,780.72 × 17,801.88
  4. Step 4: Simplify right side
    36,549.93x = 975,199,803.75
  5. Step 5: Solve for x
    x = 975,199,803.75/36,549.93
  6. Step 6: Final answer
    x = 26,681.30

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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.