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Finding the Fourth Proportional to 4,630, 6,381.63 and 3,510.58

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Solution

The fourth proportional to 4,630, 6,381.63 and 3,510.58 is: 4,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630 : 6,381.63 = 3,510.58 : x
  2. Step 2: Convert to fraction form
    4,630/6,381.63 = 3,510.58/x
  3. Step 3: Cross multiply
    4,630x = 6,381.63 × 3,510.58
  4. Step 4: Simplify right side
    4,630x = 22,403,222.65
  5. Step 5: Solve for x
    x = 22,403,222.65/4,630
  6. Step 6: Final answer
    x = 4,838.71

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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.