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Finding the Fourth Proportional to 64,314.88, 89,165.44 and 62,033.92

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Solution

The fourth proportional to 64,314.88, 89,165.44 and 62,033.92 is: 86,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314.88 : 89,165.44 = 62,033.92 : x
  2. Step 2: Convert to fraction form
    64,314.88/89,165.44 = 62,033.92/x
  3. Step 3: Cross multiply
    64,314.88x = 89,165.44 × 62,033.92
  4. Step 4: Simplify right side
    64,314.88x = 5,531,281,771.72
  5. Step 5: Solve for x
    x = 5,531,281,771.72/64,314.88
  6. Step 6: Final answer
    x = 86,003.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.