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Finding the Fourth Proportional to 9,478.62, 14,213.25 and 2,903.22

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Solution

The fourth proportional to 9,478.62, 14,213.25 and 2,903.22 is: 4,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.62 : 14,213.25 = 2,903.22 : x
  2. Step 2: Convert to fraction form
    9,478.62/14,213.25 = 2,903.22/x
  3. Step 3: Cross multiply
    9,478.62x = 14,213.25 × 2,903.22
  4. Step 4: Simplify right side
    9,478.62x = 41,264,191.67
  5. Step 5: Solve for x
    x = 41,264,191.67/9,478.62
  6. Step 6: Final answer
    x = 4,353.40

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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.