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Finding the Fourth Proportional to 9,695.56, 14,545.74 and 3,122.48

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Solution

The fourth proportional to 9,695.56, 14,545.74 and 3,122.48 is: 4,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.56 : 14,545.74 = 3,122.48 : x
  2. Step 2: Convert to fraction form
    9,695.56/14,545.74 = 3,122.48/x
  3. Step 3: Cross multiply
    9,695.56x = 14,545.74 × 3,122.48
  4. Step 4: Simplify right side
    9,695.56x = 45,418,782.24
  5. Step 5: Solve for x
    x = 45,418,782.24/9,695.56
  6. Step 6: Final answer
    x = 4,684.49

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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.