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Finding the Fourth Proportional to 2,030.31, 3,043.64 and 934.11

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Solution

The fourth proportional to 2,030.31, 3,043.64 and 934.11 is: 1,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.31 : 3,043.64 = 934.11 : x
  2. Step 2: Convert to fraction form
    2,030.31/3,043.64 = 934.11/x
  3. Step 3: Cross multiply
    2,030.31x = 3,043.64 × 934.11
  4. Step 4: Simplify right side
    2,030.31x = 2,843,089.89
  5. Step 5: Solve for x
    x = 2,843,089.89/2,030.31
  6. Step 6: Final answer
    x = 1,400.32

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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.