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Finding the Fourth Proportional to 14,029.92, 21,044.08 and 5,264.12

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Solution

The fourth proportional to 14,029.92, 21,044.08 and 5,264.12 is: 7,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.92 : 21,044.08 = 5,264.12 : x
  2. Step 2: Convert to fraction form
    14,029.92/21,044.08 = 5,264.12/x
  3. Step 3: Cross multiply
    14,029.92x = 21,044.08 × 5,264.12
  4. Step 4: Simplify right side
    14,029.92x = 110,778,562.41
  5. Step 5: Solve for x
    x = 110,778,562.41/14,029.92
  6. Step 6: Final answer
    x = 7,895.88

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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.