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Finding the Fourth Proportional to 15,791.65, 23,683.35 and 4,695.35

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Solution

The fourth proportional to 15,791.65, 23,683.35 and 4,695.35 is: 7,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.65 : 23,683.35 = 4,695.35 : x
  2. Step 2: Convert to fraction form
    15,791.65/23,683.35 = 4,695.35/x
  3. Step 3: Cross multiply
    15,791.65x = 23,683.35 × 4,695.35
  4. Step 4: Simplify right side
    15,791.65x = 111,201,617.42
  5. Step 5: Solve for x
    x = 111,201,617.42/15,791.65
  6. Step 6: Final answer
    x = 7,041.80

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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.