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Finding the Fourth Proportional to 16,262.51, 22,442.25 and 8,810.51

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Solution

The fourth proportional to 16,262.51, 22,442.25 and 8,810.51 is: 12,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,262.51 : 22,442.25 = 8,810.51 : x
  2. Step 2: Convert to fraction form
    16,262.51/22,442.25 = 8,810.51/x
  3. Step 3: Cross multiply
    16,262.51x = 22,442.25 × 8,810.51
  4. Step 4: Simplify right side
    16,262.51x = 197,727,555.84
  5. Step 5: Solve for x
    x = 197,727,555.84/16,262.51
  6. Step 6: Final answer
    x = 12,158.49

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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.