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Finding the Fourth Proportional to 25,817, 35,627.85 and 15,061.58

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Solution

The fourth proportional to 25,817, 35,627.85 and 15,061.58 is: 20,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817 : 35,627.85 = 15,061.58 : x
  2. Step 2: Convert to fraction form
    25,817/35,627.85 = 15,061.58/x
  3. Step 3: Cross multiply
    25,817x = 35,627.85 × 15,061.58
  4. Step 4: Simplify right side
    25,817x = 536,611,713.00
  5. Step 5: Solve for x
    x = 536,611,713.00/25,817
  6. Step 6: Final answer
    x = 20,785.21

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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.