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Finding the Fourth Proportional to 3,570.68, 4,921.04 and 2,937.16

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Solution

The fourth proportional to 3,570.68, 4,921.04 and 2,937.16 is: 4,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.68 : 4,921.04 = 2,937.16 : x
  2. Step 2: Convert to fraction form
    3,570.68/4,921.04 = 2,937.16/x
  3. Step 3: Cross multiply
    3,570.68x = 4,921.04 × 2,937.16
  4. Step 4: Simplify right side
    3,570.68x = 14,453,842.56
  5. Step 5: Solve for x
    x = 14,453,842.56/3,570.68
  6. Step 6: Final answer
    x = 4,047.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.