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Finding the Fourth Proportional to 9,315.08, 13,974.90 and 7,652.01

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Solution

The fourth proportional to 9,315.08, 13,974.90 and 7,652.01 is: 11,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.08 : 13,974.90 = 7,652.01 : x
  2. Step 2: Convert to fraction form
    9,315.08/13,974.90 = 7,652.01/x
  3. Step 3: Cross multiply
    9,315.08x = 13,974.90 × 7,652.01
  4. Step 4: Simplify right side
    9,315.08x = 106,936,036.29
  5. Step 5: Solve for x
    x = 106,936,036.29/9,315.08
  6. Step 6: Final answer
    x = 11,479.89

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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.