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Finding the Fourth Proportional to 5,570.65, 8,357.50 and 4,958.63

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Solution

The fourth proportional to 5,570.65, 8,357.50 and 4,958.63 is: 7,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.65 : 8,357.50 = 4,958.63 : x
  2. Step 2: Convert to fraction form
    5,570.65/8,357.50 = 4,958.63/x
  3. Step 3: Cross multiply
    5,570.65x = 8,357.50 × 4,958.63
  4. Step 4: Simplify right side
    5,570.65x = 41,441,750.23
  5. Step 5: Solve for x
    x = 41,441,750.23/5,570.65
  6. Step 6: Final answer
    x = 7,439.30

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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.