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Finding the Fourth Proportional to 995.35, 1,373.02 and 924.95

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Solution

The fourth proportional to 995.35, 1,373.02 and 924.95 is: 1,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.35 : 1,373.02 = 924.95 : x
  2. Step 2: Convert to fraction form
    995.35/1,373.02 = 924.95/x
  3. Step 3: Cross multiply
    995.35x = 1,373.02 × 924.95
  4. Step 4: Simplify right side
    995.35x = 1,269,974.85
  5. Step 5: Solve for x
    x = 1,269,974.85/995.35
  6. Step 6: Final answer
    x = 1,275.91

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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.