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Finding the Fourth Proportional to 17,710.68, 26,550.18 and 13,019.16

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Solution

The fourth proportional to 17,710.68, 26,550.18 and 13,019.16 is: 19,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,710.68 : 26,550.18 = 13,019.16 : x
  2. Step 2: Convert to fraction form
    17,710.68/26,550.18 = 13,019.16/x
  3. Step 3: Cross multiply
    17,710.68x = 26,550.18 × 13,019.16
  4. Step 4: Simplify right side
    17,710.68x = 345,661,041.45
  5. Step 5: Solve for x
    x = 345,661,041.45/17,710.68
  6. Step 6: Final answer
    x = 19,517.10

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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.