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Finding the Fourth Proportional to 995.63, 1,373.49 and 701.06

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Solution

The fourth proportional to 995.63, 1,373.49 and 701.06 is: 967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.63 : 1,373.49 = 701.06 : x
  2. Step 2: Convert to fraction form
    995.63/1,373.49 = 701.06/x
  3. Step 3: Cross multiply
    995.63x = 1,373.49 × 701.06
  4. Step 4: Simplify right side
    995.63x = 962,892.03
  5. Step 5: Solve for x
    x = 962,892.03/995.63
  6. Step 6: Final answer
    x = 967.12

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1.5x scale

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.