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Finding the Fourth Proportional to 10,491.63, 15,737.51 and 2,700.51

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Solution

The fourth proportional to 10,491.63, 15,737.51 and 2,700.51 is: 4,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.63 : 15,737.51 = 2,700.51 : x
  2. Step 2: Convert to fraction form
    10,491.63/15,737.51 = 2,700.51/x
  3. Step 3: Cross multiply
    10,491.63x = 15,737.51 × 2,700.51
  4. Step 4: Simplify right side
    10,491.63x = 42,499,303.13
  5. Step 5: Solve for x
    x = 42,499,303.13/10,491.63
  6. Step 6: Final answer
    x = 4,050.78

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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.