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Finding the Fourth Proportional to 45,073.42, 67,611.83 and 13,483.90

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Solution

The fourth proportional to 45,073.42, 67,611.83 and 13,483.90 is: 20,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,073.42 : 67,611.83 = 13,483.90 : x
  2. Step 2: Convert to fraction form
    45,073.42/67,611.83 = 13,483.90/x
  3. Step 3: Cross multiply
    45,073.42x = 67,611.83 × 13,483.90
  4. Step 4: Simplify right side
    45,073.42x = 911,671,154.54
  5. Step 5: Solve for x
    x = 911,671,154.54/45,073.42
  6. Step 6: Final answer
    x = 20,226.36

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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.