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Finding the Fourth Proportional to 3,900.24, 5,843.76 and 2,358

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Solution

The fourth proportional to 3,900.24, 5,843.76 and 2,358 is: 3,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.24 : 5,843.76 = 2,358 : x
  2. Step 2: Convert to fraction form
    3,900.24/5,843.76 = 2,358/x
  3. Step 3: Cross multiply
    3,900.24x = 5,843.76 × 2,358
  4. Step 4: Simplify right side
    3,900.24x = 13,779,586.08
  5. Step 5: Solve for x
    x = 13,779,586.08/3,900.24
  6. Step 6: Final answer
    x = 3,533.01

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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.