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Finding the Fourth Proportional to 6,888.72, 10,334.16 and 2,726.64

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Solution

The fourth proportional to 6,888.72, 10,334.16 and 2,726.64 is: 4,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.72 : 10,334.16 = 2,726.64 : x
  2. Step 2: Convert to fraction form
    6,888.72/10,334.16 = 2,726.64/x
  3. Step 3: Cross multiply
    6,888.72x = 10,334.16 × 2,726.64
  4. Step 4: Simplify right side
    6,888.72x = 28,177,534.02
  5. Step 5: Solve for x
    x = 28,177,534.02/6,888.72
  6. Step 6: Final answer
    x = 4,090.39

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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.