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Finding the Fourth Proportional to 7,605.43, 10,482.93 and 5,086.60

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Solution

The fourth proportional to 7,605.43, 10,482.93 and 5,086.60 is: 7,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.43 : 10,482.93 = 5,086.60 : x
  2. Step 2: Convert to fraction form
    7,605.43/10,482.93 = 5,086.60/x
  3. Step 3: Cross multiply
    7,605.43x = 10,482.93 × 5,086.60
  4. Step 4: Simplify right side
    7,605.43x = 53,322,471.74
  5. Step 5: Solve for x
    x = 53,322,471.74/7,605.43
  6. Step 6: Final answer
    x = 7,011.11

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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.