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Finding the Fourth Proportional to 9,333.70, 12,880.51 and 5,141.95

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Solution

The fourth proportional to 9,333.70, 12,880.51 and 5,141.95 is: 7,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.70 : 12,880.51 = 5,141.95 : x
  2. Step 2: Convert to fraction form
    9,333.70/12,880.51 = 5,141.95/x
  3. Step 3: Cross multiply
    9,333.70x = 12,880.51 × 5,141.95
  4. Step 4: Simplify right side
    9,333.70x = 66,230,893.34
  5. Step 5: Solve for x
    x = 66,230,893.34/9,333.70
  6. Step 6: Final answer
    x = 7,095.89

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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.