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Finding the Fourth Proportional to 2,713.02, 4,070.12 and 957.96

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Solution

The fourth proportional to 2,713.02, 4,070.12 and 957.96 is: 1,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.02 : 4,070.12 = 957.96 : x
  2. Step 2: Convert to fraction form
    2,713.02/4,070.12 = 957.96/x
  3. Step 3: Cross multiply
    2,713.02x = 4,070.12 × 957.96
  4. Step 4: Simplify right side
    2,713.02x = 3,899,007.37
  5. Step 5: Solve for x
    x = 3,899,007.37/2,713.02
  6. Step 6: Final answer
    x = 1,437.15

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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.