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Finding the Fourth Proportional to 64,013.82, 88,339.13 and 35,719.51

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Solution

The fourth proportional to 64,013.82, 88,339.13 and 35,719.51 is: 49,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,013.82 : 88,339.13 = 35,719.51 : x
  2. Step 2: Convert to fraction form
    64,013.82/88,339.13 = 35,719.51/x
  3. Step 3: Cross multiply
    64,013.82x = 88,339.13 × 35,719.51
  4. Step 4: Simplify right side
    64,013.82x = 3,155,430,437.43
  5. Step 5: Solve for x
    x = 3,155,430,437.43/64,013.82
  6. Step 6: Final answer
    x = 49,292.96

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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.