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Finding the Fourth Proportional to 12,068.19, 16,654.76 and 6,764.71

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Solution

The fourth proportional to 12,068.19, 16,654.76 and 6,764.71 is: 9,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.19 : 16,654.76 = 6,764.71 : x
  2. Step 2: Convert to fraction form
    12,068.19/16,654.76 = 6,764.71/x
  3. Step 3: Cross multiply
    12,068.19x = 16,654.76 × 6,764.71
  4. Step 4: Simplify right side
    12,068.19x = 112,664,621.52
  5. Step 5: Solve for x
    x = 112,664,621.52/12,068.19
  6. Step 6: Final answer
    x = 9,335.67

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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.