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Finding the Fourth Proportional to 64,035.52, 96,039.52 and 19,046.05

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Solution

The fourth proportional to 64,035.52, 96,039.52 and 19,046.05 is: 28,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,035.52 : 96,039.52 = 19,046.05 : x
  2. Step 2: Convert to fraction form
    64,035.52/96,039.52 = 19,046.05/x
  3. Step 3: Cross multiply
    64,035.52x = 96,039.52 × 19,046.05
  4. Step 4: Simplify right side
    64,035.52x = 1,829,173,212.18
  5. Step 5: Solve for x
    x = 1,829,173,212.18/64,035.52
  6. Step 6: Final answer
    x = 28,564.98

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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.