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Finding the Fourth Proportional to 9,954.59, 14,934.62 and 7,881.50

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Solution

The fourth proportional to 9,954.59, 14,934.62 and 7,881.50 is: 11,824.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.59 : 14,934.62 = 7,881.50 : x
  2. Step 2: Convert to fraction form
    9,954.59/14,934.62 = 7,881.50/x
  3. Step 3: Cross multiply
    9,954.59x = 14,934.62 × 7,881.50
  4. Step 4: Simplify right side
    9,954.59x = 117,707,207.53
  5. Step 5: Solve for x
    x = 117,707,207.53/9,954.59
  6. Step 6: Final answer
    x = 11,824.42

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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.