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Finding the Fourth Proportional to 64,374.62, 96,496.32 and 58,699.40

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Solution

The fourth proportional to 64,374.62, 96,496.32 and 58,699.40 is: 87,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,374.62 : 96,496.32 = 58,699.40 : x
  2. Step 2: Convert to fraction form
    64,374.62/96,496.32 = 58,699.40/x
  3. Step 3: Cross multiply
    64,374.62x = 96,496.32 × 58,699.40
  4. Step 4: Simplify right side
    64,374.62x = 5,664,276,086.21
  5. Step 5: Solve for x
    x = 5,664,276,086.21/64,374.62
  6. Step 6: Final answer
    x = 87,989.27

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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.