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Finding the Fourth Proportional to 3,434.97, 5,152.47 and 1,095.03

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Solution

The fourth proportional to 3,434.97, 5,152.47 and 1,095.03 is: 1,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.97 : 5,152.47 = 1,095.03 : x
  2. Step 2: Convert to fraction form
    3,434.97/5,152.47 = 1,095.03/x
  3. Step 3: Cross multiply
    3,434.97x = 5,152.47 × 1,095.03
  4. Step 4: Simplify right side
    3,434.97x = 5,642,109.22
  5. Step 5: Solve for x
    x = 5,642,109.22/3,434.97
  6. Step 6: Final answer
    x = 1,642.55

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Double scale
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Similar ratio
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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.