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Finding the Fourth Proportional to 1,652.82, 2,476.75 and 957.86

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Solution

The fourth proportional to 1,652.82, 2,476.75 and 957.86 is: 1,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.82 : 2,476.75 = 957.86 : x
  2. Step 2: Convert to fraction form
    1,652.82/2,476.75 = 957.86/x
  3. Step 3: Cross multiply
    1,652.82x = 2,476.75 × 957.86
  4. Step 4: Simplify right side
    1,652.82x = 2,372,379.76
  5. Step 5: Solve for x
    x = 2,372,379.76/1,652.82
  6. Step 6: Final answer
    x = 1,435.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.