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Finding the Fourth Proportional to 7,657.98, 10,568.57 and 4,300.99

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Solution

The fourth proportional to 7,657.98, 10,568.57 and 4,300.99 is: 5,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.98 : 10,568.57 = 4,300.99 : x
  2. Step 2: Convert to fraction form
    7,657.98/10,568.57 = 4,300.99/x
  3. Step 3: Cross multiply
    7,657.98x = 10,568.57 × 4,300.99
  4. Step 4: Simplify right side
    7,657.98x = 45,455,309.97
  5. Step 5: Solve for x
    x = 45,455,309.97/7,657.98
  6. Step 6: Final answer
    x = 5,935.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.