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Finding the Fourth Proportional to 7,608.74, 10,506.51 and 6,356.48

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Solution

The fourth proportional to 7,608.74, 10,506.51 and 6,356.48 is: 8,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.74 : 10,506.51 = 6,356.48 : x
  2. Step 2: Convert to fraction form
    7,608.74/10,506.51 = 6,356.48/x
  3. Step 3: Cross multiply
    7,608.74x = 10,506.51 × 6,356.48
  4. Step 4: Simplify right side
    7,608.74x = 66,784,368.15
  5. Step 5: Solve for x
    x = 66,784,368.15/7,608.74
  6. Step 6: Final answer
    x = 8,777.33

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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.