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Finding the Fourth Proportional to 14,276.62, 21,424.62 and 5,042.62

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Solution

The fourth proportional to 14,276.62, 21,424.62 and 5,042.62 is: 7,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.62 : 21,424.62 = 5,042.62 : x
  2. Step 2: Convert to fraction form
    14,276.62/21,424.62 = 5,042.62/x
  3. Step 3: Cross multiply
    14,276.62x = 21,424.62 × 5,042.62
  4. Step 4: Simplify right side
    14,276.62x = 108,036,217.30
  5. Step 5: Solve for x
    x = 108,036,217.30/14,276.62
  6. Step 6: Final answer
    x = 7,567.35

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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.