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Finding the Fourth Proportional to 14,348.87, 19,801.30 and 7,975.48

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Solution

The fourth proportional to 14,348.87, 19,801.30 and 7,975.48 is: 11,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.87 : 19,801.30 = 7,975.48 : x
  2. Step 2: Convert to fraction form
    14,348.87/19,801.30 = 7,975.48/x
  3. Step 3: Cross multiply
    14,348.87x = 19,801.30 × 7,975.48
  4. Step 4: Simplify right side
    14,348.87x = 157,924,872.12
  5. Step 5: Solve for x
    x = 157,924,872.12/14,348.87
  6. Step 6: Final answer
    x = 11,006.08

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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.