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Finding the Fourth Proportional to 9,273.40, 13,910.70 and 4,899.40

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Solution

The fourth proportional to 9,273.40, 13,910.70 and 4,899.40 is: 7,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.40 : 13,910.70 = 4,899.40 : x
  2. Step 2: Convert to fraction form
    9,273.40/13,910.70 = 4,899.40/x
  3. Step 3: Cross multiply
    9,273.40x = 13,910.70 × 4,899.40
  4. Step 4: Simplify right side
    9,273.40x = 68,154,083.58
  5. Step 5: Solve for x
    x = 68,154,083.58/9,273.40
  6. Step 6: Final answer
    x = 7,349.42

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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.