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Finding the Fourth Proportional to 75,410.91, 104,055.46 and 43,573.66

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Solution

The fourth proportional to 75,410.91, 104,055.46 and 43,573.66 is: 60,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,410.91 : 104,055.46 = 43,573.66 : x
  2. Step 2: Convert to fraction form
    75,410.91/104,055.46 = 43,573.66/x
  3. Step 3: Cross multiply
    75,410.91x = 104,055.46 × 43,573.66
  4. Step 4: Simplify right side
    75,410.91x = 4,534,076,866.11
  5. Step 5: Solve for x
    x = 4,534,076,866.11/75,410.91
  6. Step 6: Final answer
    x = 60,124.95

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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.