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Finding the Fourth Proportional to 11,903.70, 17,857.17 and 4,510.74

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Solution

The fourth proportional to 11,903.70, 17,857.17 and 4,510.74 is: 6,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.70 : 17,857.17 = 4,510.74 : x
  2. Step 2: Convert to fraction form
    11,903.70/17,857.17 = 4,510.74/x
  3. Step 3: Cross multiply
    11,903.70x = 17,857.17 × 4,510.74
  4. Step 4: Simplify right side
    11,903.70x = 80,549,051.01
  5. Step 5: Solve for x
    x = 80,549,051.01/11,903.70
  6. Step 6: Final answer
    x = 6,766.72

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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.