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Finding the Fourth Proportional to 64,530.84, 96,813.52 and 58,361.88

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Solution

The fourth proportional to 64,530.84, 96,813.52 and 58,361.88 is: 87,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,530.84 : 96,813.52 = 58,361.88 : x
  2. Step 2: Convert to fraction form
    64,530.84/96,813.52 = 58,361.88/x
  3. Step 3: Cross multiply
    64,530.84x = 96,813.52 × 58,361.88
  4. Step 4: Simplify right side
    64,530.84x = 5,650,219,036.62
  5. Step 5: Solve for x
    x = 5,650,219,036.62/64,530.84
  6. Step 6: Final answer
    x = 87,558.43

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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.