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Finding the Fourth Proportional to 1,772.74, 2,655.04 and 848.94

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Solution

The fourth proportional to 1,772.74, 2,655.04 and 848.94 is: 1,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.74 : 2,655.04 = 848.94 : x
  2. Step 2: Convert to fraction form
    1,772.74/2,655.04 = 848.94/x
  3. Step 3: Cross multiply
    1,772.74x = 2,655.04 × 848.94
  4. Step 4: Simplify right side
    1,772.74x = 2,253,969.66
  5. Step 5: Solve for x
    x = 2,253,969.66/1,772.74
  6. Step 6: Final answer
    x = 1,271.46

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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.