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Finding the Fourth Proportional to 16,053.44, 22,155.98 and 8,980.34

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Solution

The fourth proportional to 16,053.44, 22,155.98 and 8,980.34 is: 12,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,053.44 : 22,155.98 = 8,980.34 : x
  2. Step 2: Convert to fraction form
    16,053.44/22,155.98 = 8,980.34/x
  3. Step 3: Cross multiply
    16,053.44x = 22,155.98 × 8,980.34
  4. Step 4: Simplify right side
    16,053.44x = 198,968,077.75
  5. Step 5: Solve for x
    x = 198,968,077.75/16,053.44
  6. Step 6: Final answer
    x = 12,394.11

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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.