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Finding the Fourth Proportional to 3,054.42, 4,581.36 and 974.34

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Solution

The fourth proportional to 3,054.42, 4,581.36 and 974.34 is: 1,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.42 : 4,581.36 = 974.34 : x
  2. Step 2: Convert to fraction form
    3,054.42/4,581.36 = 974.34/x
  3. Step 3: Cross multiply
    3,054.42x = 4,581.36 × 974.34
  4. Step 4: Simplify right side
    3,054.42x = 4,463,802.30
  5. Step 5: Solve for x
    x = 4,463,802.30/3,054.42
  6. Step 6: Final answer
    x = 1,461.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.