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Finding the Fourth Proportional to 2,608.47, 3,598.34 and 1,768.88

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Solution

The fourth proportional to 2,608.47, 3,598.34 and 1,768.88 is: 2,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.47 : 3,598.34 = 1,768.88 : x
  2. Step 2: Convert to fraction form
    2,608.47/3,598.34 = 1,768.88/x
  3. Step 3: Cross multiply
    2,608.47x = 3,598.34 × 1,768.88
  4. Step 4: Simplify right side
    2,608.47x = 6,365,004.82
  5. Step 5: Solve for x
    x = 6,365,004.82/2,608.47
  6. Step 6: Final answer
    x = 2,440.13

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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.