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Finding the Fourth Proportional to 66,703.92, 99,944.76 and 46,940.92

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Solution

The fourth proportional to 66,703.92, 99,944.76 and 46,940.92 is: 70,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703.92 : 99,944.76 = 46,940.92 : x
  2. Step 2: Convert to fraction form
    66,703.92/99,944.76 = 46,940.92/x
  3. Step 3: Cross multiply
    66,703.92x = 99,944.76 × 46,940.92
  4. Step 4: Simplify right side
    66,703.92x = 4,691,498,983.58
  5. Step 5: Solve for x
    x = 4,691,498,983.58/66,703.92
  6. Step 6: Final answer
    x = 70,333.18

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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.