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Finding the Fourth Proportional to 12,008.62, 16,570.25 and 6,972.04

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Solution

The fourth proportional to 12,008.62, 16,570.25 and 6,972.04 is: 9,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.62 : 16,570.25 = 6,972.04 : x
  2. Step 2: Convert to fraction form
    12,008.62/16,570.25 = 6,972.04/x
  3. Step 3: Cross multiply
    12,008.62x = 16,570.25 × 6,972.04
  4. Step 4: Simplify right side
    12,008.62x = 115,528,445.81
  5. Step 5: Solve for x
    x = 115,528,445.81/12,008.62
  6. Step 6: Final answer
    x = 9,620.46

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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.