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Finding the Fourth Proportional to 7,616.79, 10,507.99 and 5,935.28

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Solution

The fourth proportional to 7,616.79, 10,507.99 and 5,935.28 is: 8,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.79 : 10,507.99 = 5,935.28 : x
  2. Step 2: Convert to fraction form
    7,616.79/10,507.99 = 5,935.28/x
  3. Step 3: Cross multiply
    7,616.79x = 10,507.99 × 5,935.28
  4. Step 4: Simplify right side
    7,616.79x = 62,367,874.32
  5. Step 5: Solve for x
    x = 62,367,874.32/7,616.79
  6. Step 6: Final answer
    x = 8,188.21

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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.