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Finding the Fourth Proportional to 5,954.18, 8,931.55 and 4,912.25

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Solution

The fourth proportional to 5,954.18, 8,931.55 and 4,912.25 is: 7,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954.18 : 8,931.55 = 4,912.25 : x
  2. Step 2: Convert to fraction form
    5,954.18/8,931.55 = 4,912.25/x
  3. Step 3: Cross multiply
    5,954.18x = 8,931.55 × 4,912.25
  4. Step 4: Simplify right side
    5,954.18x = 43,874,006.49
  5. Step 5: Solve for x
    x = 43,874,006.49/5,954.18
  6. Step 6: Final answer
    x = 7,368.61

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1.5x scale

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.