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Finding the Fourth Proportional to 6,425.36, 9,578.06 and 6,356.24

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Solution

The fourth proportional to 6,425.36, 9,578.06 and 6,356.24 is: 9,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.36 : 9,578.06 = 6,356.24 : x
  2. Step 2: Convert to fraction form
    6,425.36/9,578.06 = 6,356.24/x
  3. Step 3: Cross multiply
    6,425.36x = 9,578.06 × 6,356.24
  4. Step 4: Simplify right side
    6,425.36x = 60,880,448.09
  5. Step 5: Solve for x
    x = 60,880,448.09/6,425.36
  6. Step 6: Final answer
    x = 9,475.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.