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Finding the Fourth Proportional to 9,859.62, 14,793.51 and 5,918.46

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Solution

The fourth proportional to 9,859.62, 14,793.51 and 5,918.46 is: 8,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.62 : 14,793.51 = 5,918.46 : x
  2. Step 2: Convert to fraction form
    9,859.62/14,793.51 = 5,918.46/x
  3. Step 3: Cross multiply
    9,859.62x = 14,793.51 × 5,918.46
  4. Step 4: Simplify right side
    9,859.62x = 87,554,797.19
  5. Step 5: Solve for x
    x = 87,554,797.19/9,859.62
  6. Step 6: Final answer
    x = 8,880.14

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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.