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Finding the Fourth Proportional to 16,637.30, 24,965.92 and 6,640.28

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Solution

The fourth proportional to 16,637.30, 24,965.92 and 6,640.28 is: 9,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,637.30 : 24,965.92 = 6,640.28 : x
  2. Step 2: Convert to fraction form
    16,637.30/24,965.92 = 6,640.28/x
  3. Step 3: Cross multiply
    16,637.30x = 24,965.92 × 6,640.28
  4. Step 4: Simplify right side
    16,637.30x = 165,780,699.26
  5. Step 5: Solve for x
    x = 165,780,699.26/16,637.30
  6. Step 6: Final answer
    x = 9,964.40

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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.