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Finding the Fourth Proportional to 1,816.83, 2,725.03 and 500.72

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Solution

The fourth proportional to 1,816.83, 2,725.03 and 500.72 is: 751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.83 : 2,725.03 = 500.72 : x
  2. Step 2: Convert to fraction form
    1,816.83/2,725.03 = 500.72/x
  3. Step 3: Cross multiply
    1,816.83x = 2,725.03 × 500.72
  4. Step 4: Simplify right side
    1,816.83x = 1,364,463.40
  5. Step 5: Solve for x
    x = 1,364,463.40/1,816.83
  6. Step 6: Final answer
    x = 751.01

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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.