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Finding the Fourth Proportional to 64,260.87, 96,388.53 and 17,513.74

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Solution

The fourth proportional to 64,260.87, 96,388.53 and 17,513.74 is: 26,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,260.87 : 96,388.53 = 17,513.74 : x
  2. Step 2: Convert to fraction form
    64,260.87/96,388.53 = 17,513.74/x
  3. Step 3: Cross multiply
    64,260.87x = 96,388.53 × 17,513.74
  4. Step 4: Simplify right side
    64,260.87x = 1,688,123,653.40
  5. Step 5: Solve for x
    x = 1,688,123,653.40/64,260.87
  6. Step 6: Final answer
    x = 26,269.85

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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.