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Finding the Fourth Proportional to 64,406.85, 88,863.28 and 41,746.79

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Solution

The fourth proportional to 64,406.85, 88,863.28 and 41,746.79 is: 57,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,406.85 : 88,863.28 = 41,746.79 : x
  2. Step 2: Convert to fraction form
    64,406.85/88,863.28 = 41,746.79/x
  3. Step 3: Cross multiply
    64,406.85x = 88,863.28 × 41,746.79
  4. Step 4: Simplify right side
    64,406.85x = 3,709,756,806.66
  5. Step 5: Solve for x
    x = 3,709,756,806.66/64,406.85
  6. Step 6: Final answer
    x = 57,598.80

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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.