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Finding the Fourth Proportional to 1,267.06, 1,748.92 and 848.02

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Solution

The fourth proportional to 1,267.06, 1,748.92 and 848.02 is: 1,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267.06 : 1,748.92 = 848.02 : x
  2. Step 2: Convert to fraction form
    1,267.06/1,748.92 = 848.02/x
  3. Step 3: Cross multiply
    1,267.06x = 1,748.92 × 848.02
  4. Step 4: Simplify right side
    1,267.06x = 1,483,119.14
  5. Step 5: Solve for x
    x = 1,483,119.14/1,267.06
  6. Step 6: Final answer
    x = 1,170.52

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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.