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Finding the Fourth Proportional to 4,608.07, 6,912.11 and 1,145.32

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Solution

The fourth proportional to 4,608.07, 6,912.11 and 1,145.32 is: 1,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.07 : 6,912.11 = 1,145.32 : x
  2. Step 2: Convert to fraction form
    4,608.07/6,912.11 = 1,145.32/x
  3. Step 3: Cross multiply
    4,608.07x = 6,912.11 × 1,145.32
  4. Step 4: Simplify right side
    4,608.07x = 7,916,580.74
  5. Step 5: Solve for x
    x = 7,916,580.74/4,608.07
  6. Step 6: Final answer
    x = 1,717.98

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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.