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Finding the Fourth Proportional to 5,871.49, 8,807.29 and 4,698.58

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Solution

The fourth proportional to 5,871.49, 8,807.29 and 4,698.58 is: 7,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.49 : 8,807.29 = 4,698.58 : x
  2. Step 2: Convert to fraction form
    5,871.49/8,807.29 = 4,698.58/x
  3. Step 3: Cross multiply
    5,871.49x = 8,807.29 × 4,698.58
  4. Step 4: Simplify right side
    5,871.49x = 41,381,756.65
  5. Step 5: Solve for x
    x = 41,381,756.65/5,871.49
  6. Step 6: Final answer
    x = 7,047.91

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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.