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Finding the Fourth Proportional to 11,160.15, 16,737.62 and 3,260.63

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Solution

The fourth proportional to 11,160.15, 16,737.62 and 3,260.63 is: 4,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.15 : 16,737.62 = 3,260.63 : x
  2. Step 2: Convert to fraction form
    11,160.15/16,737.62 = 3,260.63/x
  3. Step 3: Cross multiply
    11,160.15x = 16,737.62 × 3,260.63
  4. Step 4: Simplify right side
    11,160.15x = 54,575,085.91
  5. Step 5: Solve for x
    x = 54,575,085.91/11,160.15
  6. Step 6: Final answer
    x = 4,890.17

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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.