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Finding the Fourth Proportional to 19,237.68, 28,863 and 9,375.12

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Solution

The fourth proportional to 19,237.68, 28,863 and 9,375.12 is: 14,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.68 : 28,863 = 9,375.12 : x
  2. Step 2: Convert to fraction form
    19,237.68/28,863 = 9,375.12/x
  3. Step 3: Cross multiply
    19,237.68x = 28,863 × 9,375.12
  4. Step 4: Simplify right side
    19,237.68x = 270,594,088.56
  5. Step 5: Solve for x
    x = 270,594,088.56/19,237.68
  6. Step 6: Final answer
    x = 14,065.84

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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.