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Finding the Fourth Proportional to 15,621.42, 23,425.95 and 6,737.43

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Solution

The fourth proportional to 15,621.42, 23,425.95 and 6,737.43 is: 10,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.42 : 23,425.95 = 6,737.43 : x
  2. Step 2: Convert to fraction form
    15,621.42/23,425.95 = 6,737.43/x
  3. Step 3: Cross multiply
    15,621.42x = 23,425.95 × 6,737.43
  4. Step 4: Simplify right side
    15,621.42x = 157,830,698.31
  5. Step 5: Solve for x
    x = 157,830,698.31/15,621.42
  6. Step 6: Final answer
    x = 10,103.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.