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Finding the Fourth Proportional to 5,570.53, 8,353.46 and 1,871.87

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Solution

The fourth proportional to 5,570.53, 8,353.46 and 1,871.87 is: 2,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.53 : 8,353.46 = 1,871.87 : x
  2. Step 2: Convert to fraction form
    5,570.53/8,353.46 = 1,871.87/x
  3. Step 3: Cross multiply
    5,570.53x = 8,353.46 × 1,871.87
  4. Step 4: Simplify right side
    5,570.53x = 15,636,554.08
  5. Step 5: Solve for x
    x = 15,636,554.08/5,570.53
  6. Step 6: Final answer
    x = 2,807.01

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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.