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Finding the Fourth Proportional to 1,157.64, 1,735.10 and 833.16

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Solution

The fourth proportional to 1,157.64, 1,735.10 and 833.16 is: 1,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.64 : 1,735.10 = 833.16 : x
  2. Step 2: Convert to fraction form
    1,157.64/1,735.10 = 833.16/x
  3. Step 3: Cross multiply
    1,157.64x = 1,735.10 × 833.16
  4. Step 4: Simplify right side
    1,157.64x = 1,445,615.92
  5. Step 5: Solve for x
    x = 1,445,615.92/1,157.64
  6. Step 6: Final answer
    x = 1,248.76

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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.