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Finding the Fourth Proportional to 6,319.53, 9,487.51 and 4,859.71

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Solution

The fourth proportional to 6,319.53, 9,487.51 and 4,859.71 is: 7,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.53 : 9,487.51 = 4,859.71 : x
  2. Step 2: Convert to fraction form
    6,319.53/9,487.51 = 4,859.71/x
  3. Step 3: Cross multiply
    6,319.53x = 9,487.51 × 4,859.71
  4. Step 4: Simplify right side
    6,319.53x = 46,106,511.35
  5. Step 5: Solve for x
    x = 46,106,511.35/6,319.53
  6. Step 6: Final answer
    x = 7,295.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.