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Finding the Fourth Proportional to 62,567.61, 86,343.57 and 33,887.61

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Solution

The fourth proportional to 62,567.61, 86,343.57 and 33,887.61 is: 46,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,567.61 : 86,343.57 = 33,887.61 : x
  2. Step 2: Convert to fraction form
    62,567.61/86,343.57 = 33,887.61/x
  3. Step 3: Cross multiply
    62,567.61x = 86,343.57 × 33,887.61
  4. Step 4: Simplify right side
    62,567.61x = 2,925,977,226.17
  5. Step 5: Solve for x
    x = 2,925,977,226.17/62,567.61
  6. Step 6: Final answer
    x = 46,765.05

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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.