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Finding the Fourth Proportional to 16,263.37, 22,443.51 and 8,811.37

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Solution

The fourth proportional to 16,263.37, 22,443.51 and 8,811.37 is: 12,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,263.37 : 22,443.51 = 8,811.37 : x
  2. Step 2: Convert to fraction form
    16,263.37/22,443.51 = 8,811.37/x
  3. Step 3: Cross multiply
    16,263.37x = 22,443.51 × 8,811.37
  4. Step 4: Simplify right side
    16,263.37x = 197,758,070.71
  5. Step 5: Solve for x
    x = 197,758,070.71/16,263.37
  6. Step 6: Final answer
    x = 12,159.72

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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.