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Finding the Fourth Proportional to 4,578, 6,317.67 and 2,482.12

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Solution

The fourth proportional to 4,578, 6,317.67 and 2,482.12 is: 3,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578 : 6,317.67 = 2,482.12 : x
  2. Step 2: Convert to fraction form
    4,578/6,317.67 = 2,482.12/x
  3. Step 3: Cross multiply
    4,578x = 6,317.67 × 2,482.12
  4. Step 4: Simplify right side
    4,578x = 15,681,215.06
  5. Step 5: Solve for x
    x = 15,681,215.06/4,578
  6. Step 6: Final answer
    x = 3,425.34

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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.