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Finding the Fourth Proportional to 46,003.77, 68,994.68 and 12,723.12

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Solution

The fourth proportional to 46,003.77, 68,994.68 and 12,723.12 is: 19,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,003.77 : 68,994.68 = 12,723.12 : x
  2. Step 2: Convert to fraction form
    46,003.77/68,994.68 = 12,723.12/x
  3. Step 3: Cross multiply
    46,003.77x = 68,994.68 × 12,723.12
  4. Step 4: Simplify right side
    46,003.77x = 877,827,529.39
  5. Step 5: Solve for x
    x = 877,827,529.39/46,003.77
  6. Step 6: Final answer
    x = 19,081.64

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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.