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Finding the Fourth Proportional to 45,274.08, 67,869.54 and 15,671.21

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Solution

The fourth proportional to 45,274.08, 67,869.54 and 15,671.21 is: 23,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,274.08 : 67,869.54 = 15,671.21 : x
  2. Step 2: Convert to fraction form
    45,274.08/67,869.54 = 15,671.21/x
  3. Step 3: Cross multiply
    45,274.08x = 67,869.54 × 15,671.21
  4. Step 4: Simplify right side
    45,274.08x = 1,063,597,474.60
  5. Step 5: Solve for x
    x = 1,063,597,474.60/45,274.08
  6. Step 6: Final answer
    x = 23,492.41

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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.