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Finding the Fourth Proportional to 64,391.16, 96,623.22 and 34,808.28

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Solution

The fourth proportional to 64,391.16, 96,623.22 and 34,808.28 is: 52,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391.16 : 96,623.22 = 34,808.28 : x
  2. Step 2: Convert to fraction form
    64,391.16/96,623.22 = 34,808.28/x
  3. Step 3: Cross multiply
    64,391.16x = 96,623.22 × 34,808.28
  4. Step 4: Simplify right side
    64,391.16x = 3,363,288,096.26
  5. Step 5: Solve for x
    x = 3,363,288,096.26/64,391.16
  6. Step 6: Final answer
    x = 52,232.14

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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.