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Finding the Fourth Proportional to 7,655.70, 10,566.02 and 4,673.27

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Solution

The fourth proportional to 7,655.70, 10,566.02 and 4,673.27 is: 6,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.70 : 10,566.02 = 4,673.27 : x
  2. Step 2: Convert to fraction form
    7,655.70/10,566.02 = 4,673.27/x
  3. Step 3: Cross multiply
    7,655.70x = 10,566.02 × 4,673.27
  4. Step 4: Simplify right side
    7,655.70x = 49,377,788.09
  5. Step 5: Solve for x
    x = 49,377,788.09/7,655.70
  6. Step 6: Final answer
    x = 6,449.81

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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.