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Finding the Fourth Proportional to 67,999.99, 93,838.12 and 37,784.54

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Solution

The fourth proportional to 67,999.99, 93,838.12 and 37,784.54 is: 52,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999.99 : 93,838.12 = 37,784.54 : x
  2. Step 2: Convert to fraction form
    67,999.99/93,838.12 = 37,784.54/x
  3. Step 3: Cross multiply
    67,999.99x = 93,838.12 × 37,784.54
  4. Step 4: Simplify right side
    67,999.99x = 3,545,629,635.01
  5. Step 5: Solve for x
    x = 3,545,629,635.01/67,999.99
  6. Step 6: Final answer
    x = 52,141.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.