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Finding the Fourth Proportional to 45,156.36, 67,741.02 and 13,994.04

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Solution

The fourth proportional to 45,156.36, 67,741.02 and 13,994.04 is: 20,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,156.36 : 67,741.02 = 13,994.04 : x
  2. Step 2: Convert to fraction form
    45,156.36/67,741.02 = 13,994.04/x
  3. Step 3: Cross multiply
    45,156.36x = 67,741.02 × 13,994.04
  4. Step 4: Simplify right side
    45,156.36x = 947,970,543.52
  5. Step 5: Solve for x
    x = 947,970,543.52/45,156.36
  6. Step 6: Final answer
    x = 20,993.07

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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.