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Finding the Fourth Proportional to 14,776.48, 20,392.05 and 8,062.49

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Solution

The fourth proportional to 14,776.48, 20,392.05 and 8,062.49 is: 11,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.48 : 20,392.05 = 8,062.49 : x
  2. Step 2: Convert to fraction form
    14,776.48/20,392.05 = 8,062.49/x
  3. Step 3: Cross multiply
    14,776.48x = 20,392.05 × 8,062.49
  4. Step 4: Simplify right side
    14,776.48x = 164,410,665.71
  5. Step 5: Solve for x
    x = 164,410,665.71/14,776.48
  6. Step 6: Final answer
    x = 11,126.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.