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Finding the Fourth Proportional to 64,400.88, 96,601.68 and 29,316

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Solution

The fourth proportional to 64,400.88, 96,601.68 and 29,316 is: 43,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400.88 : 96,601.68 = 29,316 : x
  2. Step 2: Convert to fraction form
    64,400.88/96,601.68 = 29,316/x
  3. Step 3: Cross multiply
    64,400.88x = 96,601.68 × 29,316
  4. Step 4: Simplify right side
    64,400.88x = 2,831,974,850.88
  5. Step 5: Solve for x
    x = 2,831,974,850.88/64,400.88
  6. Step 6: Final answer
    x = 43,974.16

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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.