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Finding the Fourth Proportional to 64,557.66, 96,656.88 and 32,899.47

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Solution

The fourth proportional to 64,557.66, 96,656.88 and 32,899.47 is: 49,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,557.66 : 96,656.88 = 32,899.47 : x
  2. Step 2: Convert to fraction form
    64,557.66/96,656.88 = 32,899.47/x
  3. Step 3: Cross multiply
    64,557.66x = 96,656.88 × 32,899.47
  4. Step 4: Simplify right side
    64,557.66x = 3,179,960,123.85
  5. Step 5: Solve for x
    x = 3,179,960,123.85/64,557.66
  6. Step 6: Final answer
    x = 49,257.67

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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.