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Finding the Fourth Proportional to 48,225.46, 72,250.62 and 47,175.70

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Solution

The fourth proportional to 48,225.46, 72,250.62 and 47,175.70 is: 70,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,225.46 : 72,250.62 = 47,175.70 : x
  2. Step 2: Convert to fraction form
    48,225.46/72,250.62 = 47,175.70/x
  3. Step 3: Cross multiply
    48,225.46x = 72,250.62 × 47,175.70
  4. Step 4: Simplify right side
    48,225.46x = 3,408,473,573.93
  5. Step 5: Solve for x
    x = 3,408,473,573.93/48,225.46
  6. Step 6: Final answer
    x = 70,677.89

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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.