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Finding the Fourth Proportional to 7,008.60, 9,668.80 and 5,018.44

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Solution

The fourth proportional to 7,008.60, 9,668.80 and 5,018.44 is: 6,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.60 : 9,668.80 = 5,018.44 : x
  2. Step 2: Convert to fraction form
    7,008.60/9,668.80 = 5,018.44/x
  3. Step 3: Cross multiply
    7,008.60x = 9,668.80 × 5,018.44
  4. Step 4: Simplify right side
    7,008.60x = 48,522,292.67
  5. Step 5: Solve for x
    x = 48,522,292.67/7,008.60
  6. Step 6: Final answer
    x = 6,923.25

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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.