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Finding the Fourth Proportional to 64,471.04, 88,965.48 and 35,792.24

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Solution

The fourth proportional to 64,471.04, 88,965.48 and 35,792.24 is: 49,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,471.04 : 88,965.48 = 35,792.24 : x
  2. Step 2: Convert to fraction form
    64,471.04/88,965.48 = 35,792.24/x
  3. Step 3: Cross multiply
    64,471.04x = 88,965.48 × 35,792.24
  4. Step 4: Simplify right side
    64,471.04x = 3,184,273,811.88
  5. Step 5: Solve for x
    x = 3,184,273,811.88/64,471.04
  6. Step 6: Final answer
    x = 49,390.76

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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.