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Finding the Fourth Proportional to 9,503.67, 14,255.50 and 2,929.86

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Solution

The fourth proportional to 9,503.67, 14,255.50 and 2,929.86 is: 4,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.67 : 14,255.50 = 2,929.86 : x
  2. Step 2: Convert to fraction form
    9,503.67/14,255.50 = 2,929.86/x
  3. Step 3: Cross multiply
    9,503.67x = 14,255.50 × 2,929.86
  4. Step 4: Simplify right side
    9,503.67x = 41,766,619.23
  5. Step 5: Solve for x
    x = 41,766,619.23/9,503.67
  6. Step 6: Final answer
    x = 4,394.79

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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.