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Finding the Fourth Proportional to 64,342.62, 96,495.48 and 22,211.76

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Solution

The fourth proportional to 64,342.62, 96,495.48 and 22,211.76 is: 33,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,342.62 : 96,495.48 = 22,211.76 : x
  2. Step 2: Convert to fraction form
    64,342.62/96,495.48 = 22,211.76/x
  3. Step 3: Cross multiply
    64,342.62x = 96,495.48 × 22,211.76
  4. Step 4: Simplify right side
    64,342.62x = 2,143,334,442.84
  5. Step 5: Solve for x
    x = 2,143,334,442.84/64,342.62
  6. Step 6: Final answer
    x = 33,311.27

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1.5x scale

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.