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Finding the Fourth Proportional to 34,143.80, 51,215.71 and 10,772.06

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Solution

The fourth proportional to 34,143.80, 51,215.71 and 10,772.06 is: 16,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143.80 : 51,215.71 = 10,772.06 : x
  2. Step 2: Convert to fraction form
    34,143.80/51,215.71 = 10,772.06/x
  3. Step 3: Cross multiply
    34,143.80x = 51,215.71 × 10,772.06
  4. Step 4: Simplify right side
    34,143.80x = 551,698,802.17
  5. Step 5: Solve for x
    x = 551,698,802.17/34,143.80
  6. Step 6: Final answer
    x = 16,158.09

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1.5x scale

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.