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Finding the Fourth Proportional to 64,150.56, 96,225.81 and 28,602.71

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Solution

The fourth proportional to 64,150.56, 96,225.81 and 28,602.71 is: 42,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,150.56 : 96,225.81 = 28,602.71 : x
  2. Step 2: Convert to fraction form
    64,150.56/96,225.81 = 28,602.71/x
  3. Step 3: Cross multiply
    64,150.56x = 96,225.81 × 28,602.71
  4. Step 4: Simplify right side
    64,150.56x = 2,752,318,456.82
  5. Step 5: Solve for x
    x = 2,752,318,456.82/64,150.56
  6. Step 6: Final answer
    x = 42,904.04

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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.