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Finding the Fourth Proportional to 2,393.85, 3,303.50 and 1,345.92

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Solution

The fourth proportional to 2,393.85, 3,303.50 and 1,345.92 is: 1,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.85 : 3,303.50 = 1,345.92 : x
  2. Step 2: Convert to fraction form
    2,393.85/3,303.50 = 1,345.92/x
  3. Step 3: Cross multiply
    2,393.85x = 3,303.50 × 1,345.92
  4. Step 4: Simplify right side
    2,393.85x = 4,446,235.17
  5. Step 5: Solve for x
    x = 4,446,235.17/2,393.85
  6. Step 6: Final answer
    x = 1,857.35

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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.