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Finding the Fourth Proportional to 1,094.45, 1,509.49 and 701.51

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Solution

The fourth proportional to 1,094.45, 1,509.49 and 701.51 is: 967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.45 : 1,509.49 = 701.51 : x
  2. Step 2: Convert to fraction form
    1,094.45/1,509.49 = 701.51/x
  3. Step 3: Cross multiply
    1,094.45x = 1,509.49 × 701.51
  4. Step 4: Simplify right side
    1,094.45x = 1,058,924.35
  5. Step 5: Solve for x
    x = 1,058,924.35/1,094.45
  6. Step 6: Final answer
    x = 967.54

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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.