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Finding the Fourth Proportional to 16,259.51, 22,437.99 and 8,807.51

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Solution

The fourth proportional to 16,259.51, 22,437.99 and 8,807.51 is: 12,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.51 : 22,437.99 = 8,807.51 : x
  2. Step 2: Convert to fraction form
    16,259.51/22,437.99 = 8,807.51/x
  3. Step 3: Cross multiply
    16,259.51x = 22,437.99 × 8,807.51
  4. Step 4: Simplify right side
    16,259.51x = 197,622,709.11
  5. Step 5: Solve for x
    x = 197,622,709.11/16,259.51
  6. Step 6: Final answer
    x = 12,154.29

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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.