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Finding the Fourth Proportional to 8,441.89, 12,666.54 and 4,492.22

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Solution

The fourth proportional to 8,441.89, 12,666.54 and 4,492.22 is: 6,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.89 : 12,666.54 = 4,492.22 : x
  2. Step 2: Convert to fraction form
    8,441.89/12,666.54 = 4,492.22/x
  3. Step 3: Cross multiply
    8,441.89x = 12,666.54 × 4,492.22
  4. Step 4: Simplify right side
    8,441.89x = 56,900,820.99
  5. Step 5: Solve for x
    x = 56,900,820.99/8,441.89
  6. Step 6: Final answer
    x = 6,740.29

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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.