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Finding the Fourth Proportional to 1,573.16, 2,359.38 and 954.64

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Solution

The fourth proportional to 1,573.16, 2,359.38 and 954.64 is: 1,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.16 : 2,359.38 = 954.64 : x
  2. Step 2: Convert to fraction form
    1,573.16/2,359.38 = 954.64/x
  3. Step 3: Cross multiply
    1,573.16x = 2,359.38 × 954.64
  4. Step 4: Simplify right side
    1,573.16x = 2,252,365.05
  5. Step 5: Solve for x
    x = 2,252,365.05/1,573.16
  6. Step 6: Final answer
    x = 1,431.75

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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.