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Finding the Fourth Proportional to 61,862.72, 85,368.26 and 33,567.80

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Solution

The fourth proportional to 61,862.72, 85,368.26 and 33,567.80 is: 46,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,862.72 : 85,368.26 = 33,567.80 : x
  2. Step 2: Convert to fraction form
    61,862.72/85,368.26 = 33,567.80/x
  3. Step 3: Cross multiply
    61,862.72x = 85,368.26 × 33,567.80
  4. Step 4: Simplify right side
    61,862.72x = 2,865,624,335.11
  5. Step 5: Solve for x
    x = 2,865,624,335.11/61,862.72
  6. Step 6: Final answer
    x = 46,322.32

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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.