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Finding the Fourth Proportional to 1,824.96, 2,737.60 and 784.99

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Solution

The fourth proportional to 1,824.96, 2,737.60 and 784.99 is: 1,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.96 : 2,737.60 = 784.99 : x
  2. Step 2: Convert to fraction form
    1,824.96/2,737.60 = 784.99/x
  3. Step 3: Cross multiply
    1,824.96x = 2,737.60 × 784.99
  4. Step 4: Simplify right side
    1,824.96x = 2,148,990.08
  5. Step 5: Solve for x
    x = 2,148,990.08/1,824.96
  6. Step 6: Final answer
    x = 1,177.55

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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.