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Finding the Fourth Proportional to 3,604.58, 4,975.57 and 2,113.01

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Solution

The fourth proportional to 3,604.58, 4,975.57 and 2,113.01 is: 2,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.58 : 4,975.57 = 2,113.01 : x
  2. Step 2: Convert to fraction form
    3,604.58/4,975.57 = 2,113.01/x
  3. Step 3: Cross multiply
    3,604.58x = 4,975.57 × 2,113.01
  4. Step 4: Simplify right side
    3,604.58x = 10,513,429.17
  5. Step 5: Solve for x
    x = 10,513,429.17/3,604.58
  6. Step 6: Final answer
    x = 2,916.69

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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.