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Finding the Fourth Proportional to 64,244.72, 96,387.60 and 30,967.76

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Solution

The fourth proportional to 64,244.72, 96,387.60 and 30,967.76 is: 46,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,244.72 : 96,387.60 = 30,967.76 : x
  2. Step 2: Convert to fraction form
    64,244.72/96,387.60 = 30,967.76/x
  3. Step 3: Cross multiply
    64,244.72x = 96,387.60 × 30,967.76
  4. Step 4: Simplify right side
    64,244.72x = 2,984,908,063.78
  5. Step 5: Solve for x
    x = 2,984,908,063.78/64,244.72
  6. Step 6: Final answer
    x = 46,461.53

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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.