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Finding the Fourth Proportional to 64,008.40, 95,934.84 and 45,293.91

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Solution

The fourth proportional to 64,008.40, 95,934.84 and 45,293.91 is: 67,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,008.40 : 95,934.84 = 45,293.91 : x
  2. Step 2: Convert to fraction form
    64,008.40/95,934.84 = 45,293.91/x
  3. Step 3: Cross multiply
    64,008.40x = 95,934.84 × 45,293.91
  4. Step 4: Simplify right side
    64,008.40x = 4,345,264,008.82
  5. Step 5: Solve for x
    x = 4,345,264,008.82/64,008.40
  6. Step 6: Final answer
    x = 67,885.84

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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.