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Finding the Fourth Proportional to 17,379.66, 26,071.02 and 4,899.78

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Solution

The fourth proportional to 17,379.66, 26,071.02 and 4,899.78 is: 7,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.66 : 26,071.02 = 4,899.78 : x
  2. Step 2: Convert to fraction form
    17,379.66/26,071.02 = 4,899.78/x
  3. Step 3: Cross multiply
    17,379.66x = 26,071.02 × 4,899.78
  4. Step 4: Simplify right side
    17,379.66x = 127,742,262.38
  5. Step 5: Solve for x
    x = 127,742,262.38/17,379.66
  6. Step 6: Final answer
    x = 7,350.10

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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.