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Finding the Fourth Proportional to 8,583.72, 12,857.07 and 5,795.07

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Solution

The fourth proportional to 8,583.72, 12,857.07 and 5,795.07 is: 8,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.72 : 12,857.07 = 5,795.07 : x
  2. Step 2: Convert to fraction form
    8,583.72/12,857.07 = 5,795.07/x
  3. Step 3: Cross multiply
    8,583.72x = 12,857.07 × 5,795.07
  4. Step 4: Simplify right side
    8,583.72x = 74,507,620.64
  5. Step 5: Solve for x
    x = 74,507,620.64/8,583.72
  6. Step 6: Final answer
    x = 8,680.11

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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.