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Finding the Fourth Proportional to 9,994.15, 14,988.62 and 2,972.29

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Solution

The fourth proportional to 9,994.15, 14,988.62 and 2,972.29 is: 4,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.15 : 14,988.62 = 2,972.29 : x
  2. Step 2: Convert to fraction form
    9,994.15/14,988.62 = 2,972.29/x
  3. Step 3: Cross multiply
    9,994.15x = 14,988.62 × 2,972.29
  4. Step 4: Simplify right side
    9,994.15x = 44,550,472.89
  5. Step 5: Solve for x
    x = 44,550,472.89/9,994.15
  6. Step 6: Final answer
    x = 4,457.65

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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.