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Finding the Fourth Proportional to 7,005.33, 10,508.04 and 1,811.16

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Solution

The fourth proportional to 7,005.33, 10,508.04 and 1,811.16 is: 2,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.33 : 10,508.04 = 1,811.16 : x
  2. Step 2: Convert to fraction form
    7,005.33/10,508.04 = 1,811.16/x
  3. Step 3: Cross multiply
    7,005.33x = 10,508.04 × 1,811.16
  4. Step 4: Simplify right side
    7,005.33x = 19,031,741.73
  5. Step 5: Solve for x
    x = 19,031,741.73/7,005.33
  6. Step 6: Final answer
    x = 2,716.75

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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.