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Finding the Fourth Proportional to 4,666.32, 6,987.06 and 3,928.23

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Solution

The fourth proportional to 4,666.32, 6,987.06 and 3,928.23 is: 5,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.32 : 6,987.06 = 3,928.23 : x
  2. Step 2: Convert to fraction form
    4,666.32/6,987.06 = 3,928.23/x
  3. Step 3: Cross multiply
    4,666.32x = 6,987.06 × 3,928.23
  4. Step 4: Simplify right side
    4,666.32x = 27,446,778.70
  5. Step 5: Solve for x
    x = 27,446,778.70/4,666.32
  6. Step 6: Final answer
    x = 5,881.89

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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.