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Finding the Fourth Proportional to 18,410.77, 27,616.16 and 5,263.13

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Solution

The fourth proportional to 18,410.77, 27,616.16 and 5,263.13 is: 7,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.77 : 27,616.16 = 5,263.13 : x
  2. Step 2: Convert to fraction form
    18,410.77/27,616.16 = 5,263.13/x
  3. Step 3: Cross multiply
    18,410.77x = 27,616.16 × 5,263.13
  4. Step 4: Simplify right side
    18,410.77x = 145,347,275.78
  5. Step 5: Solve for x
    x = 145,347,275.78/18,410.77
  6. Step 6: Final answer
    x = 7,894.69

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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.