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Finding the Fourth Proportional to 4,927.34, 7,391.02 and 1,229.60

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Solution

The fourth proportional to 4,927.34, 7,391.02 and 1,229.60 is: 1,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.34 : 7,391.02 = 1,229.60 : x
  2. Step 2: Convert to fraction form
    4,927.34/7,391.02 = 1,229.60/x
  3. Step 3: Cross multiply
    4,927.34x = 7,391.02 × 1,229.60
  4. Step 4: Simplify right side
    4,927.34x = 9,087,998.19
  5. Step 5: Solve for x
    x = 9,087,998.19/4,927.34
  6. Step 6: Final answer
    x = 1,844.40

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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.