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Finding the Fourth Proportional to 6,698.88, 9,244.80 and 5,040

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Solution

The fourth proportional to 6,698.88, 9,244.80 and 5,040 is: 6,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.88 : 9,244.80 = 5,040 : x
  2. Step 2: Convert to fraction form
    6,698.88/9,244.80 = 5,040/x
  3. Step 3: Cross multiply
    6,698.88x = 9,244.80 × 5,040
  4. Step 4: Simplify right side
    6,698.88x = 46,593,792
  5. Step 5: Solve for x
    x = 46,593,792/6,698.88
  6. Step 6: Final answer
    x = 6,955.46

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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.