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Finding the Fourth Proportional to 6,973.03, 9,620.04 and 3,987.26

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Solution

The fourth proportional to 6,973.03, 9,620.04 and 3,987.26 is: 5,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.03 : 9,620.04 = 3,987.26 : x
  2. Step 2: Convert to fraction form
    6,973.03/9,620.04 = 3,987.26/x
  3. Step 3: Cross multiply
    6,973.03x = 9,620.04 × 3,987.26
  4. Step 4: Simplify right side
    6,973.03x = 38,357,624.74
  5. Step 5: Solve for x
    x = 38,357,624.74/6,973.03
  6. Step 6: Final answer
    x = 5,500.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.