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Finding the Fourth Proportional to 16,259.63, 22,438.29 and 8,807.63

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Solution

The fourth proportional to 16,259.63, 22,438.29 and 8,807.63 is: 12,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.63 : 22,438.29 = 8,807.63 : x
  2. Step 2: Convert to fraction form
    16,259.63/22,438.29 = 8,807.63/x
  3. Step 3: Cross multiply
    16,259.63x = 22,438.29 × 8,807.63
  4. Step 4: Simplify right side
    16,259.63x = 197,628,043.96
  5. Step 5: Solve for x
    x = 197,628,043.96/16,259.63
  6. Step 6: Final answer
    x = 12,154.53

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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.