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Finding the Fourth Proportional to 2,477.52, 3,714.12 and 1,653.48

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Solution

The fourth proportional to 2,477.52, 3,714.12 and 1,653.48 is: 2,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.52 : 3,714.12 = 1,653.48 : x
  2. Step 2: Convert to fraction form
    2,477.52/3,714.12 = 1,653.48/x
  3. Step 3: Cross multiply
    2,477.52x = 3,714.12 × 1,653.48
  4. Step 4: Simplify right side
    2,477.52x = 6,141,223.14
  5. Step 5: Solve for x
    x = 6,141,223.14/2,477.52
  6. Step 6: Final answer
    x = 2,478.78

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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.