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Finding the Fourth Proportional to 44,575.80, 61,506.54 and 28,656.60

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Solution

The fourth proportional to 44,575.80, 61,506.54 and 28,656.60 is: 39,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,575.80 : 61,506.54 = 28,656.60 : x
  2. Step 2: Convert to fraction form
    44,575.80/61,506.54 = 28,656.60/x
  3. Step 3: Cross multiply
    44,575.80x = 61,506.54 × 28,656.60
  4. Step 4: Simplify right side
    44,575.80x = 1,762,568,314.16
  5. Step 5: Solve for x
    x = 1,762,568,314.16/44,575.80
  6. Step 6: Final answer
    x = 39,540.92

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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.