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Finding the Fourth Proportional to 4,660.62, 6,985.71 and 2,030.31

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Solution

The fourth proportional to 4,660.62, 6,985.71 and 2,030.31 is: 3,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.62 : 6,985.71 = 2,030.31 : x
  2. Step 2: Convert to fraction form
    4,660.62/6,985.71 = 2,030.31/x
  3. Step 3: Cross multiply
    4,660.62x = 6,985.71 × 2,030.31
  4. Step 4: Simplify right side
    4,660.62x = 14,183,156.87
  5. Step 5: Solve for x
    x = 14,183,156.87/4,660.62
  6. Step 6: Final answer
    x = 3,043.19

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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.