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Finding the Fourth Proportional to 64,123.04, 88,491.36 and 35,830.56

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Solution

The fourth proportional to 64,123.04, 88,491.36 and 35,830.56 is: 49,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.04 : 88,491.36 = 35,830.56 : x
  2. Step 2: Convert to fraction form
    64,123.04/88,491.36 = 35,830.56/x
  3. Step 3: Cross multiply
    64,123.04x = 88,491.36 × 35,830.56
  4. Step 4: Simplify right side
    64,123.04x = 3,170,694,983.96
  5. Step 5: Solve for x
    x = 3,170,694,983.96/64,123.04
  6. Step 6: Final answer
    x = 49,447.05

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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.