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Finding the Fourth Proportional to 6,261.66, 9,391.17 and 1,877.94

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Solution

The fourth proportional to 6,261.66, 9,391.17 and 1,877.94 is: 2,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.66 : 9,391.17 = 1,877.94 : x
  2. Step 2: Convert to fraction form
    6,261.66/9,391.17 = 1,877.94/x
  3. Step 3: Cross multiply
    6,261.66x = 9,391.17 × 1,877.94
  4. Step 4: Simplify right side
    6,261.66x = 17,636,053.79
  5. Step 5: Solve for x
    x = 17,636,053.79/6,261.66
  6. Step 6: Final answer
    x = 2,816.51

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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.