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Finding the Fourth Proportional to 9,008.97, 12,428.80 and 6,020.07

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Solution

The fourth proportional to 9,008.97, 12,428.80 and 6,020.07 is: 8,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.97 : 12,428.80 = 6,020.07 : x
  2. Step 2: Convert to fraction form
    9,008.97/12,428.80 = 6,020.07/x
  3. Step 3: Cross multiply
    9,008.97x = 12,428.80 × 6,020.07
  4. Step 4: Simplify right side
    9,008.97x = 74,822,230.97
  5. Step 5: Solve for x
    x = 74,822,230.97/9,008.97
  6. Step 6: Final answer
    x = 8,305.30

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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.