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Finding the Fourth Proportional to 34,603.52, 47,751.68 and 19,696.64

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Solution

The fourth proportional to 34,603.52, 47,751.68 and 19,696.64 is: 27,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,603.52 : 47,751.68 = 19,696.64 : x
  2. Step 2: Convert to fraction form
    34,603.52/47,751.68 = 19,696.64/x
  3. Step 3: Cross multiply
    34,603.52x = 47,751.68 × 19,696.64
  4. Step 4: Simplify right side
    34,603.52x = 940,547,650.36
  5. Step 5: Solve for x
    x = 940,547,650.36/34,603.52
  6. Step 6: Final answer
    x = 27,180.69

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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.