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Finding the Fourth Proportional to 35,339.52, 53,011.52 and 11,648.64

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Solution

The fourth proportional to 35,339.52, 53,011.52 and 11,648.64 is: 17,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.52 : 53,011.52 = 11,648.64 : x
  2. Step 2: Convert to fraction form
    35,339.52/53,011.52 = 11,648.64/x
  3. Step 3: Cross multiply
    35,339.52x = 53,011.52 × 11,648.64
  4. Step 4: Simplify right side
    35,339.52x = 617,512,112.33
  5. Step 5: Solve for x
    x = 617,512,112.33/35,339.52
  6. Step 6: Final answer
    x = 17,473.70

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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.