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Finding the Fourth Proportional to 76,550.92, 105,642.46 and 46,341.70

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Solution

The fourth proportional to 76,550.92, 105,642.46 and 46,341.70 is: 63,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,550.92 : 105,642.46 = 46,341.70 : x
  2. Step 2: Convert to fraction form
    76,550.92/105,642.46 = 46,341.70/x
  3. Step 3: Cross multiply
    76,550.92x = 105,642.46 × 46,341.70
  4. Step 4: Simplify right side
    76,550.92x = 4,895,651,188.58
  5. Step 5: Solve for x
    x = 4,895,651,188.58/76,550.92
  6. Step 6: Final answer
    x = 63,952.87

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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.