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Finding the Fourth Proportional to 6,661.93, 9,983.36 and 4,893.06

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Solution

The fourth proportional to 6,661.93, 9,983.36 and 4,893.06 is: 7,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.93 : 9,983.36 = 4,893.06 : x
  2. Step 2: Convert to fraction form
    6,661.93/9,983.36 = 4,893.06/x
  3. Step 3: Cross multiply
    6,661.93x = 9,983.36 × 4,893.06
  4. Step 4: Simplify right side
    6,661.93x = 48,849,179.48
  5. Step 5: Solve for x
    x = 48,849,179.48/6,661.93
  6. Step 6: Final answer
    x = 7,332.59

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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.