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Finding the Fourth Proportional to 25,661.80, 34,701.75 and 25,661.80

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Solution

The fourth proportional to 25,661.80, 34,701.75 and 25,661.80 is: 34,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.80 : 34,701.75 = 25,661.80 : x
  2. Step 2: Convert to fraction form
    25,661.80/34,701.75 = 25,661.80/x
  3. Step 3: Cross multiply
    25,661.80x = 34,701.75 × 25,661.80
  4. Step 4: Simplify right side
    25,661.80x = 890,509,368.15
  5. Step 5: Solve for x
    x = 890,509,368.15/25,661.80
  6. Step 6: Final answer
    x = 34,701.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.