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Finding the Fourth Proportional to 47,339.40, 70,941.44 and 34,760.76

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Solution

The fourth proportional to 47,339.40, 70,941.44 and 34,760.76 is: 52,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,339.40 : 70,941.44 = 34,760.76 : x
  2. Step 2: Convert to fraction form
    47,339.40/70,941.44 = 34,760.76/x
  3. Step 3: Cross multiply
    47,339.40x = 70,941.44 × 34,760.76
  4. Step 4: Simplify right side
    47,339.40x = 2,465,978,369.89
  5. Step 5: Solve for x
    x = 2,465,978,369.89/47,339.40
  6. Step 6: Final answer
    x = 52,091.46

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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.