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Finding the Fourth Proportional to 9,906.57, 14,854.59 and 3,330.63

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Solution

The fourth proportional to 9,906.57, 14,854.59 and 3,330.63 is: 4,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.57 : 14,854.59 = 3,330.63 : x
  2. Step 2: Convert to fraction form
    9,906.57/14,854.59 = 3,330.63/x
  3. Step 3: Cross multiply
    9,906.57x = 14,854.59 × 3,330.63
  4. Step 4: Simplify right side
    9,906.57x = 49,475,143.09
  5. Step 5: Solve for x
    x = 49,475,143.09/9,906.57
  6. Step 6: Final answer
    x = 4,994.17

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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.