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Finding the Fourth Proportional to 16,259.28, 22,437.84 and 8,807.28

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Solution

The fourth proportional to 16,259.28, 22,437.84 and 8,807.28 is: 12,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.28 : 22,437.84 = 8,807.28 : x
  2. Step 2: Convert to fraction form
    16,259.28/22,437.84 = 8,807.28/x
  3. Step 3: Cross multiply
    16,259.28x = 22,437.84 × 8,807.28
  4. Step 4: Simplify right side
    16,259.28x = 197,616,339.48
  5. Step 5: Solve for x
    x = 197,616,339.48/16,259.28
  6. Step 6: Final answer
    x = 12,154.06

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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.