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Finding the Fourth Proportional to 6,845.66, 9,411.12 and 6,803.54

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Solution

The fourth proportional to 6,845.66, 9,411.12 and 6,803.54 is: 9,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.66 : 9,411.12 = 6,803.54 : x
  2. Step 2: Convert to fraction form
    6,845.66/9,411.12 = 6,803.54/x
  3. Step 3: Cross multiply
    6,845.66x = 9,411.12 × 6,803.54
  4. Step 4: Simplify right side
    6,845.66x = 64,028,931.36
  5. Step 5: Solve for x
    x = 64,028,931.36/6,845.66
  6. Step 6: Final answer
    x = 9,353.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.