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Finding the Fourth Proportional to 7,606.60, 10,532.10 and 7,460.80

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Solution

The fourth proportional to 7,606.60, 10,532.10 and 7,460.80 is: 10,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.60 : 10,532.10 = 7,460.80 : x
  2. Step 2: Convert to fraction form
    7,606.60/10,532.10 = 7,460.80/x
  3. Step 3: Cross multiply
    7,606.60x = 10,532.10 × 7,460.80
  4. Step 4: Simplify right side
    7,606.60x = 78,577,891.68
  5. Step 5: Solve for x
    x = 78,577,891.68/7,606.60
  6. Step 6: Final answer
    x = 10,330.23

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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.