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Finding the Fourth Proportional to 16,030.76, 22,122.90 and 8,957.96

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Solution

The fourth proportional to 16,030.76, 22,122.90 and 8,957.96 is: 12,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.76 : 22,122.90 = 8,957.96 : x
  2. Step 2: Convert to fraction form
    16,030.76/22,122.90 = 8,957.96/x
  3. Step 3: Cross multiply
    16,030.76x = 22,122.90 × 8,957.96
  4. Step 4: Simplify right side
    16,030.76x = 198,176,053.28
  5. Step 5: Solve for x
    x = 198,176,053.28/16,030.76
  6. Step 6: Final answer
    x = 12,362.24

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Half scale
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Double scale
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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.