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Finding the Fourth Proportional to 17,865.16, 24,654.07 and 9,907.31

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Solution

The fourth proportional to 17,865.16, 24,654.07 and 9,907.31 is: 13,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.16 : 24,654.07 = 9,907.31 : x
  2. Step 2: Convert to fraction form
    17,865.16/24,654.07 = 9,907.31/x
  3. Step 3: Cross multiply
    17,865.16x = 24,654.07 × 9,907.31
  4. Step 4: Simplify right side
    17,865.16x = 244,255,588.27
  5. Step 5: Solve for x
    x = 244,255,588.27/17,865.16
  6. Step 6: Final answer
    x = 13,672.18

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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.