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Finding the Fourth Proportional to 25,896.74, 35,737.30 and 14,718.74

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Solution

The fourth proportional to 25,896.74, 35,737.30 and 14,718.74 is: 20,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.74 : 35,737.30 = 14,718.74 : x
  2. Step 2: Convert to fraction form
    25,896.74/35,737.30 = 14,718.74/x
  3. Step 3: Cross multiply
    25,896.74x = 35,737.30 × 14,718.74
  4. Step 4: Simplify right side
    25,896.74x = 526,007,774.72
  5. Step 5: Solve for x
    x = 526,007,774.72/25,896.74
  6. Step 6: Final answer
    x = 20,311.74

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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.