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Finding the Fourth Proportional to 61,241.44, 91,862.10 and 16,868.44

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Solution

The fourth proportional to 61,241.44, 91,862.10 and 16,868.44 is: 25,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241.44 : 91,862.10 = 16,868.44 : x
  2. Step 2: Convert to fraction form
    61,241.44/91,862.10 = 16,868.44/x
  3. Step 3: Cross multiply
    61,241.44x = 91,862.10 × 16,868.44
  4. Step 4: Simplify right side
    61,241.44x = 1,549,570,322.12
  5. Step 5: Solve for x
    x = 1,549,570,322.12/61,241.44
  6. Step 6: Final answer
    x = 25,302.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.