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Finding the Fourth Proportional to 7,259.85, 10,889.13 and 2,328.15

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Solution

The fourth proportional to 7,259.85, 10,889.13 and 2,328.15 is: 3,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.85 : 10,889.13 = 2,328.15 : x
  2. Step 2: Convert to fraction form
    7,259.85/10,889.13 = 2,328.15/x
  3. Step 3: Cross multiply
    7,259.85x = 10,889.13 × 2,328.15
  4. Step 4: Simplify right side
    7,259.85x = 25,351,528.01
  5. Step 5: Solve for x
    x = 25,351,528.01/7,259.85
  6. Step 6: Final answer
    x = 3,492.02

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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.