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Finding the Fourth Proportional to 1,051.24, 1,577.64 and 848.24

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Solution

The fourth proportional to 1,051.24, 1,577.64 and 848.24 is: 1,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.24 : 1,577.64 = 848.24 : x
  2. Step 2: Convert to fraction form
    1,051.24/1,577.64 = 848.24/x
  3. Step 3: Cross multiply
    1,051.24x = 1,577.64 × 848.24
  4. Step 4: Simplify right side
    1,051.24x = 1,338,217.35
  5. Step 5: Solve for x
    x = 1,338,217.35/1,051.24
  6. Step 6: Final answer
    x = 1,273.00

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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.