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Finding the Fourth Proportional to 9,556, 14,335.64 and 2,981.96

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Solution

The fourth proportional to 9,556, 14,335.64 and 2,981.96 is: 4,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556 : 14,335.64 = 2,981.96 : x
  2. Step 2: Convert to fraction form
    9,556/14,335.64 = 2,981.96/x
  3. Step 3: Cross multiply
    9,556x = 14,335.64 × 2,981.96
  4. Step 4: Simplify right side
    9,556x = 42,748,305.05
  5. Step 5: Solve for x
    x = 42,748,305.05/9,556
  6. Step 6: Final answer
    x = 4,473.45

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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.