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Finding the Fourth Proportional to 14,614.16, 21,893.72 and 7,209.95

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Solution

The fourth proportional to 14,614.16, 21,893.72 and 7,209.95 is: 10,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.16 : 21,893.72 = 7,209.95 : x
  2. Step 2: Convert to fraction form
    14,614.16/21,893.72 = 7,209.95/x
  3. Step 3: Cross multiply
    14,614.16x = 21,893.72 × 7,209.95
  4. Step 4: Simplify right side
    14,614.16x = 157,852,481.00
  5. Step 5: Solve for x
    x = 157,852,481.00/14,614.16
  6. Step 6: Final answer
    x = 10,801.34

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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.