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Finding the Fourth Proportional to 1,412.96, 1,950.84 and 882.05

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Solution

The fourth proportional to 1,412.96, 1,950.84 and 882.05 is: 1,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.96 : 1,950.84 = 882.05 : x
  2. Step 2: Convert to fraction form
    1,412.96/1,950.84 = 882.05/x
  3. Step 3: Cross multiply
    1,412.96x = 1,950.84 × 882.05
  4. Step 4: Simplify right side
    1,412.96x = 1,720,728.67
  5. Step 5: Solve for x
    x = 1,720,728.67/1,412.96
  6. Step 6: Final answer
    x = 1,217.82

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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.