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Finding the Fourth Proportional to 30,611.03, 45,926.46 and 15,017.72

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Solution

The fourth proportional to 30,611.03, 45,926.46 and 15,017.72 is: 22,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.03 : 45,926.46 = 15,017.72 : x
  2. Step 2: Convert to fraction form
    30,611.03/45,926.46 = 15,017.72/x
  3. Step 3: Cross multiply
    30,611.03x = 45,926.46 × 15,017.72
  4. Step 4: Simplify right side
    30,611.03x = 689,710,487.24
  5. Step 5: Solve for x
    x = 689,710,487.24/30,611.03
  6. Step 6: Final answer
    x = 22,531.44

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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.