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Finding the Fourth Proportional to 3,503.91, 4,835.40 and 1,932.00

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Solution

The fourth proportional to 3,503.91, 4,835.40 and 1,932.00 is: 2,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.91 : 4,835.40 = 1,932.00 : x
  2. Step 2: Convert to fraction form
    3,503.91/4,835.40 = 1,932.00/x
  3. Step 3: Cross multiply
    3,503.91x = 4,835.40 × 1,932.00
  4. Step 4: Simplify right side
    3,503.91x = 9,341,994.62
  5. Step 5: Solve for x
    x = 9,341,994.62/3,503.91
  6. Step 6: Final answer
    x = 2,666.16

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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.