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Finding the Fourth Proportional to 9,133.10, 13,700.13 and 2,893.77

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Solution

The fourth proportional to 9,133.10, 13,700.13 and 2,893.77 is: 4,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.10 : 13,700.13 = 2,893.77 : x
  2. Step 2: Convert to fraction form
    9,133.10/13,700.13 = 2,893.77/x
  3. Step 3: Cross multiply
    9,133.10x = 13,700.13 × 2,893.77
  4. Step 4: Simplify right side
    9,133.10x = 39,645,025.19
  5. Step 5: Solve for x
    x = 39,645,025.19/9,133.10
  6. Step 6: Final answer
    x = 4,340.81

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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.