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Finding the Fourth Proportional to 36,701.30, 55,051.95 and 10,405.70

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Solution

The fourth proportional to 36,701.30, 55,051.95 and 10,405.70 is: 15,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.30 : 55,051.95 = 10,405.70 : x
  2. Step 2: Convert to fraction form
    36,701.30/55,051.95 = 10,405.70/x
  3. Step 3: Cross multiply
    36,701.30x = 55,051.95 × 10,405.70
  4. Step 4: Simplify right side
    36,701.30x = 572,854,076.12
  5. Step 5: Solve for x
    x = 572,854,076.12/36,701.30
  6. Step 6: Final answer
    x = 15,608.55

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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.