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Finding the Fourth Proportional to 7,008.05, 9,670.76 and 3,982.77

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Solution

The fourth proportional to 7,008.05, 9,670.76 and 3,982.77 is: 5,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.05 : 9,670.76 = 3,982.77 : x
  2. Step 2: Convert to fraction form
    7,008.05/9,670.76 = 3,982.77/x
  3. Step 3: Cross multiply
    7,008.05x = 9,670.76 × 3,982.77
  4. Step 4: Simplify right side
    7,008.05x = 38,516,392.89
  5. Step 5: Solve for x
    x = 38,516,392.89/7,008.05
  6. Step 6: Final answer
    x = 5,496.03

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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.