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Finding the Fourth Proportional to 8,995.84, 13,492.23 and 2,420.56

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Solution

The fourth proportional to 8,995.84, 13,492.23 and 2,420.56 is: 3,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.84 : 13,492.23 = 2,420.56 : x
  2. Step 2: Convert to fraction form
    8,995.84/13,492.23 = 2,420.56/x
  3. Step 3: Cross multiply
    8,995.84x = 13,492.23 × 2,420.56
  4. Step 4: Simplify right side
    8,995.84x = 32,658,718.52
  5. Step 5: Solve for x
    x = 32,658,718.52/8,995.84
  6. Step 6: Final answer
    x = 3,630.43

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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.