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Finding the Fourth Proportional to 10,888.63, 16,335.65 and 3,097.38

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Solution

The fourth proportional to 10,888.63, 16,335.65 and 3,097.38 is: 4,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.63 : 16,335.65 = 3,097.38 : x
  2. Step 2: Convert to fraction form
    10,888.63/16,335.65 = 3,097.38/x
  3. Step 3: Cross multiply
    10,888.63x = 16,335.65 × 3,097.38
  4. Step 4: Simplify right side
    10,888.63x = 50,597,715.60
  5. Step 5: Solve for x
    x = 50,597,715.60/10,888.63
  6. Step 6: Final answer
    x = 4,646.84

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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.