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Finding the Fourth Proportional to 34,986.81, 52,483.04 and 10,969.47

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Solution

The fourth proportional to 34,986.81, 52,483.04 and 10,969.47 is: 16,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.81 : 52,483.04 = 10,969.47 : x
  2. Step 2: Convert to fraction form
    34,986.81/52,483.04 = 10,969.47/x
  3. Step 3: Cross multiply
    34,986.81x = 52,483.04 × 10,969.47
  4. Step 4: Simplify right side
    34,986.81x = 575,711,132.79
  5. Step 5: Solve for x
    x = 575,711,132.79/34,986.81
  6. Step 6: Final answer
    x = 16,455.09

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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.