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Finding the Fourth Proportional to 1,701.55, 2,349.02 and 1,072.99

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Solution

The fourth proportional to 1,701.55, 2,349.02 and 1,072.99 is: 1,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.55 : 2,349.02 = 1,072.99 : x
  2. Step 2: Convert to fraction form
    1,701.55/2,349.02 = 1,072.99/x
  3. Step 3: Cross multiply
    1,701.55x = 2,349.02 × 1,072.99
  4. Step 4: Simplify right side
    1,701.55x = 2,520,471.78
  5. Step 5: Solve for x
    x = 2,520,471.78/1,701.55
  6. Step 6: Final answer
    x = 1,481.28

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1.5x scale

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.