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Finding the Fourth Proportional to 10,071.84, 13,899.39 and 5,595.38

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Solution

The fourth proportional to 10,071.84, 13,899.39 and 5,595.38 is: 7,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.84 : 13,899.39 = 5,595.38 : x
  2. Step 2: Convert to fraction form
    10,071.84/13,899.39 = 5,595.38/x
  3. Step 3: Cross multiply
    10,071.84x = 13,899.39 × 5,595.38
  4. Step 4: Simplify right side
    10,071.84x = 77,772,299.32
  5. Step 5: Solve for x
    x = 77,772,299.32/10,071.84
  6. Step 6: Final answer
    x = 7,721.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.