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Finding the Fourth Proportional to 7,753.93, 11,617.02 and 7,214.16

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Solution

The fourth proportional to 7,753.93, 11,617.02 and 7,214.16 is: 10,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.93 : 11,617.02 = 7,214.16 : x
  2. Step 2: Convert to fraction form
    7,753.93/11,617.02 = 7,214.16/x
  3. Step 3: Cross multiply
    7,753.93x = 11,617.02 × 7,214.16
  4. Step 4: Simplify right side
    7,753.93x = 83,807,084.57
  5. Step 5: Solve for x
    x = 83,807,084.57/7,753.93
  6. Step 6: Final answer
    x = 10,808.34

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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.