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Finding the Fourth Proportional to 1,492.80, 2,059.95 and 933.37

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Solution

The fourth proportional to 1,492.80, 2,059.95 and 933.37 is: 1,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.80 : 2,059.95 = 933.37 : x
  2. Step 2: Convert to fraction form
    1,492.80/2,059.95 = 933.37/x
  3. Step 3: Cross multiply
    1,492.80x = 2,059.95 × 933.37
  4. Step 4: Simplify right side
    1,492.80x = 1,922,685.23
  5. Step 5: Solve for x
    x = 1,922,685.23/1,492.80
  6. Step 6: Final answer
    x = 1,287.98

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