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Finding the Fourth Proportional to 6,642.48, 9,964.62 and 2,258.76

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Solution

The fourth proportional to 6,642.48, 9,964.62 and 2,258.76 is: 3,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.48 : 9,964.62 = 2,258.76 : x
  2. Step 2: Convert to fraction form
    6,642.48/9,964.62 = 2,258.76/x
  3. Step 3: Cross multiply
    6,642.48x = 9,964.62 × 2,258.76
  4. Step 4: Simplify right side
    6,642.48x = 22,507,685.07
  5. Step 5: Solve for x
    x = 22,507,685.07/6,642.48
  6. Step 6: Final answer
    x = 3,388.45

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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.