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Finding the Fourth Proportional to 64,437.65, 88,921.63 and 35,758.56

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Solution

The fourth proportional to 64,437.65, 88,921.63 and 35,758.56 is: 49,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,437.65 : 88,921.63 = 35,758.56 : x
  2. Step 2: Convert to fraction form
    64,437.65/88,921.63 = 35,758.56/x
  3. Step 3: Cross multiply
    64,437.65x = 88,921.63 × 35,758.56
  4. Step 4: Simplify right side
    64,437.65x = 3,179,709,349.88
  5. Step 5: Solve for x
    x = 3,179,709,349.88/64,437.65
  6. Step 6: Final answer
    x = 49,345.52

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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.