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Finding the Fourth Proportional to 7,655.70, 10,566.01 and 4,673.26

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Solution

The fourth proportional to 7,655.70, 10,566.01 and 4,673.26 is: 6,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.70 : 10,566.01 = 4,673.26 : x
  2. Step 2: Convert to fraction form
    7,655.70/10,566.01 = 4,673.26/x
  3. Step 3: Cross multiply
    7,655.70x = 10,566.01 × 4,673.26
  4. Step 4: Simplify right side
    7,655.70x = 49,377,711.89
  5. Step 5: Solve for x
    x = 49,377,711.89/7,655.70
  6. Step 6: Final answer
    x = 6,449.80

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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.