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Finding the Fourth Proportional to 3,562.70, 5,345.21 and 1,713.58

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Solution

The fourth proportional to 3,562.70, 5,345.21 and 1,713.58 is: 2,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.70 : 5,345.21 = 1,713.58 : x
  2. Step 2: Convert to fraction form
    3,562.70/5,345.21 = 1,713.58/x
  3. Step 3: Cross multiply
    3,562.70x = 5,345.21 × 1,713.58
  4. Step 4: Simplify right side
    3,562.70x = 9,159,428.64
  5. Step 5: Solve for x
    x = 9,159,428.64/3,562.70
  6. Step 6: Final answer
    x = 2,570.92

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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.