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Finding the Fourth Proportional to 34,477.71, 51,668.34 and 18,648.55

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Solution

The fourth proportional to 34,477.71, 51,668.34 and 18,648.55 is: 27,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,477.71 : 51,668.34 = 18,648.55 : x
  2. Step 2: Convert to fraction form
    34,477.71/51,668.34 = 18,648.55/x
  3. Step 3: Cross multiply
    34,477.71x = 51,668.34 × 18,648.55
  4. Step 4: Simplify right side
    34,477.71x = 963,539,621.91
  5. Step 5: Solve for x
    x = 963,539,621.91/34,477.71
  6. Step 6: Final answer
    x = 27,946.74

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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.