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Finding the Fourth Proportional to 1,492.94, 2,060.52 and 863.54

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Solution

The fourth proportional to 1,492.94, 2,060.52 and 863.54 is: 1,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.94 : 2,060.52 = 863.54 : x
  2. Step 2: Convert to fraction form
    1,492.94/2,060.52 = 863.54/x
  3. Step 3: Cross multiply
    1,492.94x = 2,060.52 × 863.54
  4. Step 4: Simplify right side
    1,492.94x = 1,779,341.44
  5. Step 5: Solve for x
    x = 1,779,341.44/1,492.94
  6. Step 6: Final answer
    x = 1,191.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.