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Finding the Fourth Proportional to 3,392.03, 4,681.05 and 1,975.68

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Solution

The fourth proportional to 3,392.03, 4,681.05 and 1,975.68 is: 2,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.03 : 4,681.05 = 1,975.68 : x
  2. Step 2: Convert to fraction form
    3,392.03/4,681.05 = 1,975.68/x
  3. Step 3: Cross multiply
    3,392.03x = 4,681.05 × 1,975.68
  4. Step 4: Simplify right side
    3,392.03x = 9,248,273.51
  5. Step 5: Solve for x
    x = 9,248,273.51/3,392.03
  6. Step 6: Final answer
    x = 2,726.47

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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.