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Finding the Fourth Proportional to 5,767.33, 7,943.38 and 4,980.01

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Solution

The fourth proportional to 5,767.33, 7,943.38 and 4,980.01 is: 6,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.33 : 7,943.38 = 4,980.01 : x
  2. Step 2: Convert to fraction form
    5,767.33/7,943.38 = 4,980.01/x
  3. Step 3: Cross multiply
    5,767.33x = 7,943.38 × 4,980.01
  4. Step 4: Simplify right side
    5,767.33x = 39,558,111.83
  5. Step 5: Solve for x
    x = 39,558,111.83/5,767.33
  6. Step 6: Final answer
    x = 6,859.00

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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.