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Finding the Fourth Proportional to 25,266.90, 35,425.50 and 25,266.90

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Solution

The fourth proportional to 25,266.90, 35,425.50 and 25,266.90 is: 35,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,266.90 : 35,425.50 = 25,266.90 : x
  2. Step 2: Convert to fraction form
    25,266.90/35,425.50 = 25,266.90/x
  3. Step 3: Cross multiply
    25,266.90x = 35,425.50 × 25,266.90
  4. Step 4: Simplify right side
    25,266.90x = 895,092,565.95
  5. Step 5: Solve for x
    x = 895,092,565.95/25,266.90
  6. Step 6: Final answer
    x = 35,425.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.