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Finding the Fourth Proportional to 14,872.87, 22,308.09 and 5,011.93

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Solution

The fourth proportional to 14,872.87, 22,308.09 and 5,011.93 is: 7,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.87 : 22,308.09 = 5,011.93 : x
  2. Step 2: Convert to fraction form
    14,872.87/22,308.09 = 5,011.93/x
  3. Step 3: Cross multiply
    14,872.87x = 22,308.09 × 5,011.93
  4. Step 4: Simplify right side
    14,872.87x = 111,806,585.51
  5. Step 5: Solve for x
    x = 111,806,585.51/14,872.87
  6. Step 6: Final answer
    x = 7,517.49

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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.