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Finding the Fourth Proportional to 8,994.62, 12,412.63 and 5,015.98

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Solution

The fourth proportional to 8,994.62, 12,412.63 and 5,015.98 is: 6,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.62 : 12,412.63 = 5,015.98 : x
  2. Step 2: Convert to fraction form
    8,994.62/12,412.63 = 5,015.98/x
  3. Step 3: Cross multiply
    8,994.62x = 12,412.63 × 5,015.98
  4. Step 4: Simplify right side
    8,994.62x = 62,261,497.40
  5. Step 5: Solve for x
    x = 62,261,497.40/8,994.62
  6. Step 6: Final answer
    x = 6,922.08

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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.