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Finding the Fourth Proportional to 6,378.76, 8,807.94 and 6,052.60

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Solution

The fourth proportional to 6,378.76, 8,807.94 and 6,052.60 is: 8,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.76 : 8,807.94 = 6,052.60 : x
  2. Step 2: Convert to fraction form
    6,378.76/8,807.94 = 6,052.60/x
  3. Step 3: Cross multiply
    6,378.76x = 8,807.94 × 6,052.60
  4. Step 4: Simplify right side
    6,378.76x = 53,310,937.64
  5. Step 5: Solve for x
    x = 53,310,937.64/6,378.76
  6. Step 6: Final answer
    x = 8,357.57

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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.