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Finding the Fourth Proportional to 6,844.89, 9,432 and 4,721.07

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Solution

The fourth proportional to 6,844.89, 9,432 and 4,721.07 is: 6,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,844.89 : 9,432 = 4,721.07 : x
  2. Step 2: Convert to fraction form
    6,844.89/9,432 = 4,721.07/x
  3. Step 3: Cross multiply
    6,844.89x = 9,432 × 4,721.07
  4. Step 4: Simplify right side
    6,844.89x = 44,529,132.24
  5. Step 5: Solve for x
    x = 44,529,132.24/6,844.89
  6. Step 6: Final answer
    x = 6,505.46

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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.