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Finding the Fourth Proportional to 64,419.32, 88,898.51 and 35,743.33

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Solution

The fourth proportional to 64,419.32, 88,898.51 and 35,743.33 is: 49,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,419.32 : 88,898.51 = 35,743.33 : x
  2. Step 2: Convert to fraction form
    64,419.32/88,898.51 = 35,743.33/x
  3. Step 3: Cross multiply
    64,419.32x = 88,898.51 × 35,743.33
  4. Step 4: Simplify right side
    64,419.32x = 3,177,528,979.92
  5. Step 5: Solve for x
    x = 3,177,528,979.92/64,419.32
  6. Step 6: Final answer
    x = 49,325.71

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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.