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Finding the Fourth Proportional to 7,954.01, 11,912.55 and 7,677.22

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Solution

The fourth proportional to 7,954.01, 11,912.55 and 7,677.22 is: 11,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.01 : 11,912.55 = 7,677.22 : x
  2. Step 2: Convert to fraction form
    7,954.01/11,912.55 = 7,677.22/x
  3. Step 3: Cross multiply
    7,954.01x = 11,912.55 × 7,677.22
  4. Step 4: Simplify right side
    7,954.01x = 91,455,267.11
  5. Step 5: Solve for x
    x = 91,455,267.11/7,954.01
  6. Step 6: Final answer
    x = 11,498.01

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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.