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Finding the Fourth Proportional to 10,657.79, 15,986.10 and 3,262.25

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Solution

The fourth proportional to 10,657.79, 15,986.10 and 3,262.25 is: 4,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.79 : 15,986.10 = 3,262.25 : x
  2. Step 2: Convert to fraction form
    10,657.79/15,986.10 = 3,262.25/x
  3. Step 3: Cross multiply
    10,657.79x = 15,986.10 × 3,262.25
  4. Step 4: Simplify right side
    10,657.79x = 52,150,574.79
  5. Step 5: Solve for x
    x = 52,150,574.79/10,657.79
  6. Step 6: Final answer
    x = 4,893.19

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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.