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Finding the Fourth Proportional to 3,606.07, 5,407.08 and 1,140.43

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Solution

The fourth proportional to 3,606.07, 5,407.08 and 1,140.43 is: 1,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.07 : 5,407.08 = 1,140.43 : x
  2. Step 2: Convert to fraction form
    3,606.07/5,407.08 = 1,140.43/x
  3. Step 3: Cross multiply
    3,606.07x = 5,407.08 × 1,140.43
  4. Step 4: Simplify right side
    3,606.07x = 6,166,396.24
  5. Step 5: Solve for x
    x = 6,166,396.24/3,606.07
  6. Step 6: Final answer
    x = 1,710.00

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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.