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Finding the Fourth Proportional to 3,562.73, 5,342.19 and 1,783.51

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Solution

The fourth proportional to 3,562.73, 5,342.19 and 1,783.51 is: 2,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.73 : 5,342.19 = 1,783.51 : x
  2. Step 2: Convert to fraction form
    3,562.73/5,342.19 = 1,783.51/x
  3. Step 3: Cross multiply
    3,562.73x = 5,342.19 × 1,783.51
  4. Step 4: Simplify right side
    3,562.73x = 9,527,822.58
  5. Step 5: Solve for x
    x = 9,527,822.58/3,562.73
  6. Step 6: Final answer
    x = 2,674.30

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Half scale
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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.