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Finding the Fourth Proportional to 1,048.22, 1,573.95 and 952.64

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Solution

The fourth proportional to 1,048.22, 1,573.95 and 952.64 is: 1,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.22 : 1,573.95 = 952.64 : x
  2. Step 2: Convert to fraction form
    1,048.22/1,573.95 = 952.64/x
  3. Step 3: Cross multiply
    1,048.22x = 1,573.95 × 952.64
  4. Step 4: Simplify right side
    1,048.22x = 1,499,407.73
  5. Step 5: Solve for x
    x = 1,499,407.73/1,048.22
  6. Step 6: Final answer
    x = 1,430.43

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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.