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Finding the Fourth Proportional to 3,554.71, 5,332.07 and 1,822.23

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Solution

The fourth proportional to 3,554.71, 5,332.07 and 1,822.23 is: 2,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.71 : 5,332.07 = 1,822.23 : x
  2. Step 2: Convert to fraction form
    3,554.71/5,332.07 = 1,822.23/x
  3. Step 3: Cross multiply
    3,554.71x = 5,332.07 × 1,822.23
  4. Step 4: Simplify right side
    3,554.71x = 9,716,248.80
  5. Step 5: Solve for x
    x = 9,716,248.80/3,554.71
  6. Step 6: Final answer
    x = 2,733.35

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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.