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Finding the Fourth Proportional to 61,862.68, 85,368 and 33,567.76

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Solution

The fourth proportional to 61,862.68, 85,368 and 33,567.76 is: 46,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,862.68 : 85,368 = 33,567.76 : x
  2. Step 2: Convert to fraction form
    61,862.68/85,368 = 33,567.76/x
  3. Step 3: Cross multiply
    61,862.68x = 85,368 × 33,567.76
  4. Step 4: Simplify right side
    61,862.68x = 2,865,612,535.68
  5. Step 5: Solve for x
    x = 2,865,612,535.68/61,862.68
  6. Step 6: Final answer
    x = 46,322.15

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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.