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Finding the Fourth Proportional to 2,348, 3,240.30 and 1,416.56

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Solution

The fourth proportional to 2,348, 3,240.30 and 1,416.56 is: 1,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348 : 3,240.30 = 1,416.56 : x
  2. Step 2: Convert to fraction form
    2,348/3,240.30 = 1,416.56/x
  3. Step 3: Cross multiply
    2,348x = 3,240.30 × 1,416.56
  4. Step 4: Simplify right side
    2,348x = 4,590,079.37
  5. Step 5: Solve for x
    x = 4,590,079.37/2,348
  6. Step 6: Final answer
    x = 1,954.89

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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.