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Finding the Fourth Proportional to 7,801.13, 11,705.75 and 5,964.05

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Solution

The fourth proportional to 7,801.13, 11,705.75 and 5,964.05 is: 8,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.13 : 11,705.75 = 5,964.05 : x
  2. Step 2: Convert to fraction form
    7,801.13/11,705.75 = 5,964.05/x
  3. Step 3: Cross multiply
    7,801.13x = 11,705.75 × 5,964.05
  4. Step 4: Simplify right side
    7,801.13x = 69,813,678.29
  5. Step 5: Solve for x
    x = 69,813,678.29/7,801.13
  6. Step 6: Final answer
    x = 8,949.18

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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.