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Finding the Fourth Proportional to 64,563.49, 96,842.60 and 17,815.17

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Solution

The fourth proportional to 64,563.49, 96,842.60 and 17,815.17 is: 26,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,563.49 : 96,842.60 = 17,815.17 : x
  2. Step 2: Convert to fraction form
    64,563.49/96,842.60 = 17,815.17/x
  3. Step 3: Cross multiply
    64,563.49x = 96,842.60 × 17,815.17
  4. Step 4: Simplify right side
    64,563.49x = 1,725,267,293.17
  5. Step 5: Solve for x
    x = 1,725,267,293.17/64,563.49
  6. Step 6: Final answer
    x = 26,722.03

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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.