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Finding the Fourth Proportional to 23,358.72, 35,043.36 and 7,776.96

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Solution

The fourth proportional to 23,358.72, 35,043.36 and 7,776.96 is: 11,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,358.72 : 35,043.36 = 7,776.96 : x
  2. Step 2: Convert to fraction form
    23,358.72/35,043.36 = 7,776.96/x
  3. Step 3: Cross multiply
    23,358.72x = 35,043.36 × 7,776.96
  4. Step 4: Simplify right side
    23,358.72x = 272,530,808.99
  5. Step 5: Solve for x
    x = 272,530,808.99/23,358.72
  6. Step 6: Final answer
    x = 11,667.20

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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.