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Finding the Fourth Proportional to 7,934.03, 11,900.93 and 2,670.19

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Solution

The fourth proportional to 7,934.03, 11,900.93 and 2,670.19 is: 4,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.03 : 11,900.93 = 2,670.19 : x
  2. Step 2: Convert to fraction form
    7,934.03/11,900.93 = 2,670.19/x
  3. Step 3: Cross multiply
    7,934.03x = 11,900.93 × 2,670.19
  4. Step 4: Simplify right side
    7,934.03x = 31,777,734.64
  5. Step 5: Solve for x
    x = 31,777,734.64/7,934.03
  6. Step 6: Final answer
    x = 4,005.25

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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.