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Finding the Fourth Proportional to 42,766.36, 64,122.36 and 37,511.92

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Solution

The fourth proportional to 42,766.36, 64,122.36 and 37,511.92 is: 56,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.36 : 64,122.36 = 37,511.92 : x
  2. Step 2: Convert to fraction form
    42,766.36/64,122.36 = 37,511.92/x
  3. Step 3: Cross multiply
    42,766.36x = 64,122.36 × 37,511.92
  4. Step 4: Simplify right side
    42,766.36x = 2,405,352,838.53
  5. Step 5: Solve for x
    x = 2,405,352,838.53/42,766.36
  6. Step 6: Final answer
    x = 56,244.04

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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.