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Finding the Fourth Proportional to 9,656.46, 14,398.20 and 9,481.50

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Solution

The fourth proportional to 9,656.46, 14,398.20 and 9,481.50 is: 14,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,656.46 : 14,398.20 = 9,481.50 : x
  2. Step 2: Convert to fraction form
    9,656.46/14,398.20 = 9,481.50/x
  3. Step 3: Cross multiply
    9,656.46x = 14,398.20 × 9,481.50
  4. Step 4: Simplify right side
    9,656.46x = 136,516,533.30
  5. Step 5: Solve for x
    x = 136,516,533.30/9,656.46
  6. Step 6: Final answer
    x = 14,137.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.