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Finding the Fourth Proportional to 19,444.20, 29,187.90 and 10,696.20

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Solution

The fourth proportional to 19,444.20, 29,187.90 and 10,696.20 is: 16,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.20 : 29,187.90 = 10,696.20 : x
  2. Step 2: Convert to fraction form
    19,444.20/29,187.90 = 10,696.20/x
  3. Step 3: Cross multiply
    19,444.20x = 29,187.90 × 10,696.20
  4. Step 4: Simplify right side
    19,444.20x = 312,199,615.98
  5. Step 5: Solve for x
    x = 312,199,615.98/19,444.20
  6. Step 6: Final answer
    x = 16,056.18

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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.