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Finding the Fourth Proportional to 7,322.93, 10,982.13 and 2,642.34

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Solution

The fourth proportional to 7,322.93, 10,982.13 and 2,642.34 is: 3,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.93 : 10,982.13 = 2,642.34 : x
  2. Step 2: Convert to fraction form
    7,322.93/10,982.13 = 2,642.34/x
  3. Step 3: Cross multiply
    7,322.93x = 10,982.13 × 2,642.34
  4. Step 4: Simplify right side
    7,322.93x = 29,018,459.87
  5. Step 5: Solve for x
    x = 29,018,459.87/7,322.93
  6. Step 6: Final answer
    x = 3,962.68

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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.