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Finding the Fourth Proportional to 9,402.77, 14,104.25 and 4,472.90

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Solution

The fourth proportional to 9,402.77, 14,104.25 and 4,472.90 is: 6,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.77 : 14,104.25 = 4,472.90 : x
  2. Step 2: Convert to fraction form
    9,402.77/14,104.25 = 4,472.90/x
  3. Step 3: Cross multiply
    9,402.77x = 14,104.25 × 4,472.90
  4. Step 4: Simplify right side
    9,402.77x = 63,086,806.94
  5. Step 5: Solve for x
    x = 63,086,806.94/9,402.77
  6. Step 6: Final answer
    x = 6,709.39

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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.