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Finding the Fourth Proportional to 3,035.98, 4,554.74 and 955.90

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Solution

The fourth proportional to 3,035.98, 4,554.74 and 955.90 is: 1,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.98 : 4,554.74 = 955.90 : x
  2. Step 2: Convert to fraction form
    3,035.98/4,554.74 = 955.90/x
  3. Step 3: Cross multiply
    3,035.98x = 4,554.74 × 955.90
  4. Step 4: Simplify right side
    3,035.98x = 4,353,875.97
  5. Step 5: Solve for x
    x = 4,353,875.97/3,035.98
  6. Step 6: Final answer
    x = 1,434.09

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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.