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Finding the Fourth Proportional to 76,491.91, 105,542.59 and 44,646.46

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Solution

The fourth proportional to 76,491.91, 105,542.59 and 44,646.46 is: 61,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,491.91 : 105,542.59 = 44,646.46 : x
  2. Step 2: Convert to fraction form
    76,491.91/105,542.59 = 44,646.46/x
  3. Step 3: Cross multiply
    76,491.91x = 105,542.59 × 44,646.46
  4. Step 4: Simplify right side
    76,491.91x = 4,712,103,022.73
  5. Step 5: Solve for x
    x = 4,712,103,022.73/76,491.91
  6. Step 6: Final answer
    x = 61,602.63

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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.