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Finding the Fourth Proportional to 39,297, 54,235.35 and 25,179.92

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Solution

The fourth proportional to 39,297, 54,235.35 and 25,179.92 is: 34,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,297 : 54,235.35 = 25,179.92 : x
  2. Step 2: Convert to fraction form
    39,297/54,235.35 = 25,179.92/x
  3. Step 3: Cross multiply
    39,297x = 54,235.35 × 25,179.92
  4. Step 4: Simplify right side
    39,297x = 1,365,641,503.00
  5. Step 5: Solve for x
    x = 1,365,641,503.00/39,297
  6. Step 6: Final answer
    x = 34,751.80

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1.5x scale

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.