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Finding the Fourth Proportional to 3,373.80, 4,655.71 and 1,957.51

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Solution

The fourth proportional to 3,373.80, 4,655.71 and 1,957.51 is: 2,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.80 : 4,655.71 = 1,957.51 : x
  2. Step 2: Convert to fraction form
    3,373.80/4,655.71 = 1,957.51/x
  3. Step 3: Cross multiply
    3,373.80x = 4,655.71 × 1,957.51
  4. Step 4: Simplify right side
    3,373.80x = 9,113,598.88
  5. Step 5: Solve for x
    x = 9,113,598.88/3,373.80
  6. Step 6: Final answer
    x = 2,701.29

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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.