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Finding the Fourth Proportional to 64,252.46, 96,401.74 and 28,710.80

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Solution

The fourth proportional to 64,252.46, 96,401.74 and 28,710.80 is: 43,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,252.46 : 96,401.74 = 28,710.80 : x
  2. Step 2: Convert to fraction form
    64,252.46/96,401.74 = 28,710.80/x
  3. Step 3: Cross multiply
    64,252.46x = 96,401.74 × 28,710.80
  4. Step 4: Simplify right side
    64,252.46x = 2,767,771,246.02
  5. Step 5: Solve for x
    x = 2,767,771,246.02/64,252.46
  6. Step 6: Final answer
    x = 43,076.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.