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Finding the Fourth Proportional to 64,267.98, 88,689.51 and 35,973.78

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Solution

The fourth proportional to 64,267.98, 88,689.51 and 35,973.78 is: 49,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,267.98 : 88,689.51 = 35,973.78 : x
  2. Step 2: Convert to fraction form
    64,267.98/88,689.51 = 35,973.78/x
  3. Step 3: Cross multiply
    64,267.98x = 88,689.51 × 35,973.78
  4. Step 4: Simplify right side
    64,267.98x = 3,190,496,921.05
  5. Step 5: Solve for x
    x = 3,190,496,921.05/64,267.98
  6. Step 6: Final answer
    x = 49,643.65

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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.