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Finding the Fourth Proportional to 2,892.94, 4,340.76 and 1,505.55

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Solution

The fourth proportional to 2,892.94, 4,340.76 and 1,505.55 is: 2,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.94 : 4,340.76 = 1,505.55 : x
  2. Step 2: Convert to fraction form
    2,892.94/4,340.76 = 1,505.55/x
  3. Step 3: Cross multiply
    2,892.94x = 4,340.76 × 1,505.55
  4. Step 4: Simplify right side
    2,892.94x = 6,535,231.22
  5. Step 5: Solve for x
    x = 6,535,231.22/2,892.94
  6. Step 6: Final answer
    x = 2,259.03

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1.5x scale

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.