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Finding the Fourth Proportional to 47,153.88, 70,686.87 and 32,369.76

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Solution

The fourth proportional to 47,153.88, 70,686.87 and 32,369.76 is: 48,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,153.88 : 70,686.87 = 32,369.76 : x
  2. Step 2: Convert to fraction form
    47,153.88/70,686.87 = 32,369.76/x
  3. Step 3: Cross multiply
    47,153.88x = 70,686.87 × 32,369.76
  4. Step 4: Simplify right side
    47,153.88x = 2,288,117,017.05
  5. Step 5: Solve for x
    x = 2,288,117,017.05/47,153.88
  6. Step 6: Final answer
    x = 48,524.47

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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.