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Finding the Fourth Proportional to 1,009.46, 1,512.95 and 701.26

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Solution

The fourth proportional to 1,009.46, 1,512.95 and 701.26 is: 1,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009.46 : 1,512.95 = 701.26 : x
  2. Step 2: Convert to fraction form
    1,009.46/1,512.95 = 701.26/x
  3. Step 3: Cross multiply
    1,009.46x = 1,512.95 × 701.26
  4. Step 4: Simplify right side
    1,009.46x = 1,060,964.03
  5. Step 5: Solve for x
    x = 1,060,964.03/1,009.46
  6. Step 6: Final answer
    x = 1,051.02

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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.