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Finding the Fourth Proportional to 64,364.63, 96,553.62 and 17,617.50

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Solution

The fourth proportional to 64,364.63, 96,553.62 and 17,617.50 is: 26,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.63 : 96,553.62 = 17,617.50 : x
  2. Step 2: Convert to fraction form
    64,364.63/96,553.62 = 17,617.50/x
  3. Step 3: Cross multiply
    64,364.63x = 96,553.62 × 17,617.50
  4. Step 4: Simplify right side
    64,364.63x = 1,701,033,400.35
  5. Step 5: Solve for x
    x = 1,701,033,400.35/64,364.63
  6. Step 6: Final answer
    x = 26,428.08

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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.