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Finding the Fourth Proportional to 61,862.28, 85,369.19 and 33,567.77

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Solution

The fourth proportional to 61,862.28, 85,369.19 and 33,567.77 is: 46,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,862.28 : 85,369.19 = 33,567.77 : x
  2. Step 2: Convert to fraction form
    61,862.28/85,369.19 = 33,567.77/x
  3. Step 3: Cross multiply
    61,862.28x = 85,369.19 × 33,567.77
  4. Step 4: Simplify right side
    61,862.28x = 2,865,652,740.32
  5. Step 5: Solve for x
    x = 2,865,652,740.32/61,862.28
  6. Step 6: Final answer
    x = 46,323.10

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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.