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Finding the Fourth Proportional to 1,473.79, 2,033.81 and 801.58

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Solution

The fourth proportional to 1,473.79, 2,033.81 and 801.58 is: 1,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.79 : 2,033.81 = 801.58 : x
  2. Step 2: Convert to fraction form
    1,473.79/2,033.81 = 801.58/x
  3. Step 3: Cross multiply
    1,473.79x = 2,033.81 × 801.58
  4. Step 4: Simplify right side
    1,473.79x = 1,630,261.42
  5. Step 5: Solve for x
    x = 1,630,261.42/1,473.79
  6. Step 6: Final answer
    x = 1,106.17

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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.