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Finding the Fourth Proportional to 14,348.70, 19,801.07 and 7,975.12

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Solution

The fourth proportional to 14,348.70, 19,801.07 and 7,975.12 is: 11,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.70 : 19,801.07 = 7,975.12 : x
  2. Step 2: Convert to fraction form
    14,348.70/19,801.07 = 7,975.12/x
  3. Step 3: Cross multiply
    14,348.70x = 19,801.07 × 7,975.12
  4. Step 4: Simplify right side
    14,348.70x = 157,915,961.28
  5. Step 5: Solve for x
    x = 157,915,961.28/14,348.70
  6. Step 6: Final answer
    x = 11,005.60

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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.