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Finding the Fourth Proportional to 14,162.52, 19,544 and 7,874.76

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Solution

The fourth proportional to 14,162.52, 19,544 and 7,874.76 is: 10,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.52 : 19,544 = 7,874.76 : x
  2. Step 2: Convert to fraction form
    14,162.52/19,544 = 7,874.76/x
  3. Step 3: Cross multiply
    14,162.52x = 19,544 × 7,874.76
  4. Step 4: Simplify right side
    14,162.52x = 153,904,309.44
  5. Step 5: Solve for x
    x = 153,904,309.44/14,162.52
  6. Step 6: Final answer
    x = 10,867.01

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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.