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Finding the Fourth Proportional to 5,874.64, 8,811.96 and 1,492.12

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Solution

The fourth proportional to 5,874.64, 8,811.96 and 1,492.12 is: 2,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.64 : 8,811.96 = 1,492.12 : x
  2. Step 2: Convert to fraction form
    5,874.64/8,811.96 = 1,492.12/x
  3. Step 3: Cross multiply
    5,874.64x = 8,811.96 × 1,492.12
  4. Step 4: Simplify right side
    5,874.64x = 13,148,501.76
  5. Step 5: Solve for x
    x = 13,148,501.76/5,874.64
  6. Step 6: Final answer
    x = 2,238.18

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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.