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Finding the Fourth Proportional to 3,567.93, 4,926.48 and 2,780.61

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Solution

The fourth proportional to 3,567.93, 4,926.48 and 2,780.61 is: 3,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.93 : 4,926.48 = 2,780.61 : x
  2. Step 2: Convert to fraction form
    3,567.93/4,926.48 = 2,780.61/x
  3. Step 3: Cross multiply
    3,567.93x = 4,926.48 × 2,780.61
  4. Step 4: Simplify right side
    3,567.93x = 13,698,619.55
  5. Step 5: Solve for x
    x = 13,698,619.55/3,567.93
  6. Step 6: Final answer
    x = 3,839.37

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1.5x scale

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.