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Finding the Fourth Proportional to 34,737.76, 52,105.88 and 8,442.64

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Solution

The fourth proportional to 34,737.76, 52,105.88 and 8,442.64 is: 12,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,737.76 : 52,105.88 = 8,442.64 : x
  2. Step 2: Convert to fraction form
    34,737.76/52,105.88 = 8,442.64/x
  3. Step 3: Cross multiply
    34,737.76x = 52,105.88 × 8,442.64
  4. Step 4: Simplify right side
    34,737.76x = 439,911,186.72
  5. Step 5: Solve for x
    x = 439,911,186.72/34,737.76
  6. Step 6: Final answer
    x = 12,663.78

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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.