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Finding the Fourth Proportional to 6,726.51, 10,088.13 and 2,109.51

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Solution

The fourth proportional to 6,726.51, 10,088.13 and 2,109.51 is: 3,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726.51 : 10,088.13 = 2,109.51 : x
  2. Step 2: Convert to fraction form
    6,726.51/10,088.13 = 2,109.51/x
  3. Step 3: Cross multiply
    6,726.51x = 10,088.13 × 2,109.51
  4. Step 4: Simplify right side
    6,726.51x = 21,281,011.12
  5. Step 5: Solve for x
    x = 21,281,011.12/6,726.51
  6. Step 6: Final answer
    x = 3,163.75

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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.