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Finding the Fourth Proportional to 7,677.02, 10,584.60 and 5,020.22

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Solution

The fourth proportional to 7,677.02, 10,584.60 and 5,020.22 is: 6,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.02 : 10,584.60 = 5,020.22 : x
  2. Step 2: Convert to fraction form
    7,677.02/10,584.60 = 5,020.22/x
  3. Step 3: Cross multiply
    7,677.02x = 10,584.60 × 5,020.22
  4. Step 4: Simplify right side
    7,677.02x = 53,137,020.61
  5. Step 5: Solve for x
    x = 53,137,020.61/7,677.02
  6. Step 6: Final answer
    x = 6,921.57

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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.