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Finding the Fourth Proportional to 3,038.45, 4,557.06 and 958.10

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Solution

The fourth proportional to 3,038.45, 4,557.06 and 958.10 is: 1,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.45 : 4,557.06 = 958.10 : x
  2. Step 2: Convert to fraction form
    3,038.45/4,557.06 = 958.10/x
  3. Step 3: Cross multiply
    3,038.45x = 4,557.06 × 958.10
  4. Step 4: Simplify right side
    3,038.45x = 4,366,096.40
  5. Step 5: Solve for x
    x = 4,366,096.40/3,038.45
  6. Step 6: Final answer
    x = 1,436.95

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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.