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Finding the Fourth Proportional to 7,608.66, 10,504.90 and 6,810.60

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Solution

The fourth proportional to 7,608.66, 10,504.90 and 6,810.60 is: 9,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.66 : 10,504.90 = 6,810.60 : x
  2. Step 2: Convert to fraction form
    7,608.66/10,504.90 = 6,810.60/x
  3. Step 3: Cross multiply
    7,608.66x = 10,504.90 × 6,810.60
  4. Step 4: Simplify right side
    7,608.66x = 71,544,671.94
  5. Step 5: Solve for x
    x = 71,544,671.94/7,608.66
  6. Step 6: Final answer
    x = 9,403.06

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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.