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Finding the Fourth Proportional to 12,038.92, 16,612.08 and 6,733.96

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Solution

The fourth proportional to 12,038.92, 16,612.08 and 6,733.96 is: 9,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.92 : 16,612.08 = 6,733.96 : x
  2. Step 2: Convert to fraction form
    12,038.92/16,612.08 = 6,733.96/x
  3. Step 3: Cross multiply
    12,038.92x = 16,612.08 × 6,733.96
  4. Step 4: Simplify right side
    12,038.92x = 111,865,082.24
  5. Step 5: Solve for x
    x = 111,865,082.24/12,038.92
  6. Step 6: Final answer
    x = 9,291.95

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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.