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Finding the Fourth Proportional to 1,127.01, 1,552.39 and 794.86

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Solution

The fourth proportional to 1,127.01, 1,552.39 and 794.86 is: 1,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127.01 : 1,552.39 = 794.86 : x
  2. Step 2: Convert to fraction form
    1,127.01/1,552.39 = 794.86/x
  3. Step 3: Cross multiply
    1,127.01x = 1,552.39 × 794.86
  4. Step 4: Simplify right side
    1,127.01x = 1,233,926.85
  5. Step 5: Solve for x
    x = 1,233,926.85/1,127.01
  6. Step 6: Final answer
    x = 1,094.86

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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.