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Finding the Fourth Proportional to 1,041.68, 1,435.82 and 761.96

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Solution

The fourth proportional to 1,041.68, 1,435.82 and 761.96 is: 1,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.68 : 1,435.82 = 761.96 : x
  2. Step 2: Convert to fraction form
    1,041.68/1,435.82 = 761.96/x
  3. Step 3: Cross multiply
    1,041.68x = 1,435.82 × 761.96
  4. Step 4: Simplify right side
    1,041.68x = 1,094,026.42
  5. Step 5: Solve for x
    x = 1,094,026.42/1,041.68
  6. Step 6: Final answer
    x = 1,050.26

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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.