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Finding the Fourth Proportional to 7,889.57, 11,823.08 and 5,793.13

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Solution

The fourth proportional to 7,889.57, 11,823.08 and 5,793.13 is: 8,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.57 : 11,823.08 = 5,793.13 : x
  2. Step 2: Convert to fraction form
    7,889.57/11,823.08 = 5,793.13/x
  3. Step 3: Cross multiply
    7,889.57x = 11,823.08 × 5,793.13
  4. Step 4: Simplify right side
    7,889.57x = 68,492,551.36
  5. Step 5: Solve for x
    x = 68,492,551.36/7,889.57
  6. Step 6: Final answer
    x = 8,681.40

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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.