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Finding the Fourth Proportional to 1,492.12, 2,059.88 and 894.95

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Solution

The fourth proportional to 1,492.12, 2,059.88 and 894.95 is: 1,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.12 : 2,059.88 = 894.95 : x
  2. Step 2: Convert to fraction form
    1,492.12/2,059.88 = 894.95/x
  3. Step 3: Cross multiply
    1,492.12x = 2,059.88 × 894.95
  4. Step 4: Simplify right side
    1,492.12x = 1,843,487.59
  5. Step 5: Solve for x
    x = 1,843,487.59/1,492.12
  6. Step 6: Final answer
    x = 1,235.48

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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.