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Finding the Fourth Proportional to 9,503.58, 14,250.60 and 2,928.18

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Solution

The fourth proportional to 9,503.58, 14,250.60 and 2,928.18 is: 4,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.58 : 14,250.60 = 2,928.18 : x
  2. Step 2: Convert to fraction form
    9,503.58/14,250.60 = 2,928.18/x
  3. Step 3: Cross multiply
    9,503.58x = 14,250.60 × 2,928.18
  4. Step 4: Simplify right side
    9,503.58x = 41,728,321.91
  5. Step 5: Solve for x
    x = 41,728,321.91/9,503.58
  6. Step 6: Final answer
    x = 4,390.80

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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.