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Finding the Fourth Proportional to 9,933.59, 14,911.32 and 8,392.70

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Solution

The fourth proportional to 9,933.59, 14,911.32 and 8,392.70 is: 12,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.59 : 14,911.32 = 8,392.70 : x
  2. Step 2: Convert to fraction form
    9,933.59/14,911.32 = 8,392.70/x
  3. Step 3: Cross multiply
    9,933.59x = 14,911.32 × 8,392.70
  4. Step 4: Simplify right side
    9,933.59x = 125,146,160.81
  5. Step 5: Solve for x
    x = 125,146,160.81/9,933.59
  6. Step 6: Final answer
    x = 12,598.29

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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.