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Finding the Fourth Proportional to 16,602.68, 22,880.12 and 11,878.76

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Solution

The fourth proportional to 16,602.68, 22,880.12 and 11,878.76 is: 16,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,602.68 : 22,880.12 = 11,878.76 : x
  2. Step 2: Convert to fraction form
    16,602.68/22,880.12 = 11,878.76/x
  3. Step 3: Cross multiply
    16,602.68x = 22,880.12 × 11,878.76
  4. Step 4: Simplify right side
    16,602.68x = 271,787,454.25
  5. Step 5: Solve for x
    x = 271,787,454.25/16,602.68
  6. Step 6: Final answer
    x = 16,370.10

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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.