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Finding the Fourth Proportional to 64,383.63, 96,560.69 and 17,640.15

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Solution

The fourth proportional to 64,383.63, 96,560.69 and 17,640.15 is: 26,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.63 : 96,560.69 = 17,640.15 : x
  2. Step 2: Convert to fraction form
    64,383.63/96,560.69 = 17,640.15/x
  3. Step 3: Cross multiply
    64,383.63x = 96,560.69 × 17,640.15
  4. Step 4: Simplify right side
    64,383.63x = 1,703,344,967.50
  5. Step 5: Solve for x
    x = 1,703,344,967.50/64,383.63
  6. Step 6: Final answer
    x = 26,456.18

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1.5x scale

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.