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Finding the Fourth Proportional to 64,433.10, 88,918.15 and 35,752.87

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Solution

The fourth proportional to 64,433.10, 88,918.15 and 35,752.87 is: 49,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,433.10 : 88,918.15 = 35,752.87 : x
  2. Step 2: Convert to fraction form
    64,433.10/88,918.15 = 35,752.87/x
  3. Step 3: Cross multiply
    64,433.10x = 88,918.15 × 35,752.87
  4. Step 4: Simplify right side
    64,433.10x = 3,179,078,795.76
  5. Step 5: Solve for x
    x = 3,179,078,795.76/64,433.10
  6. Step 6: Final answer
    x = 49,339.22

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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.