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Finding the Fourth Proportional to 64,248.79, 96,317.76 and 30,923.01

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Solution

The fourth proportional to 64,248.79, 96,317.76 and 30,923.01 is: 46,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,248.79 : 96,317.76 = 30,923.01 : x
  2. Step 2: Convert to fraction form
    64,248.79/96,317.76 = 30,923.01/x
  3. Step 3: Cross multiply
    64,248.79x = 96,317.76 × 30,923.01
  4. Step 4: Simplify right side
    64,248.79x = 2,978,435,055.66
  5. Step 5: Solve for x
    x = 2,978,435,055.66/64,248.79
  6. Step 6: Final answer
    x = 46,357.84

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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.