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Finding the Fourth Proportional to 5,871.61, 8,801.74 and 1,973.89

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Solution

The fourth proportional to 5,871.61, 8,801.74 and 1,973.89 is: 2,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.61 : 8,801.74 = 1,973.89 : x
  2. Step 2: Convert to fraction form
    5,871.61/8,801.74 = 1,973.89/x
  3. Step 3: Cross multiply
    5,871.61x = 8,801.74 × 1,973.89
  4. Step 4: Simplify right side
    5,871.61x = 17,373,666.57
  5. Step 5: Solve for x
    x = 17,373,666.57/5,871.61
  6. Step 6: Final answer
    x = 2,958.93

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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.