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Finding the Fourth Proportional to 995.15, 1,373.36 and 700.52

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Solution

The fourth proportional to 995.15, 1,373.36 and 700.52 is: 966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.15 : 1,373.36 = 700.52 : x
  2. Step 2: Convert to fraction form
    995.15/1,373.36 = 700.52/x
  3. Step 3: Cross multiply
    995.15x = 1,373.36 × 700.52
  4. Step 4: Simplify right side
    995.15x = 962,055.78
  5. Step 5: Solve for x
    x = 962,055.78/995.15
  6. Step 6: Final answer
    x = 966.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.