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Finding the Fourth Proportional to 2,495.40, 3,746.40 and 2,002.08

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Solution

The fourth proportional to 2,495.40, 3,746.40 and 2,002.08 is: 3,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.40 : 3,746.40 = 2,002.08 : x
  2. Step 2: Convert to fraction form
    2,495.40/3,746.40 = 2,002.08/x
  3. Step 3: Cross multiply
    2,495.40x = 3,746.40 × 2,002.08
  4. Step 4: Simplify right side
    2,495.40x = 7,500,592.51
  5. Step 5: Solve for x
    x = 7,500,592.51/2,495.40
  6. Step 6: Final answer
    x = 3,005.77

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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.