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Finding the Fourth Proportional to 29,106.84, 43,660.08 and 8,330.40

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Solution

The fourth proportional to 29,106.84, 43,660.08 and 8,330.40 is: 12,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.84 : 43,660.08 = 8,330.40 : x
  2. Step 2: Convert to fraction form
    29,106.84/43,660.08 = 8,330.40/x
  3. Step 3: Cross multiply
    29,106.84x = 43,660.08 × 8,330.40
  4. Step 4: Simplify right side
    29,106.84x = 363,705,930.43
  5. Step 5: Solve for x
    x = 363,705,930.43/29,106.84
  6. Step 6: Final answer
    x = 12,495.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.