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Finding the Fourth Proportional to 1,010.92, 1,514.75 and 848.92

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Solution

The fourth proportional to 1,010.92, 1,514.75 and 848.92 is: 1,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.92 : 1,514.75 = 848.92 : x
  2. Step 2: Convert to fraction form
    1,010.92/1,514.75 = 848.92/x
  3. Step 3: Cross multiply
    1,010.92x = 1,514.75 × 848.92
  4. Step 4: Simplify right side
    1,010.92x = 1,285,894.00
  5. Step 5: Solve for x
    x = 1,285,894.00/1,010.92
  6. Step 6: Final answer
    x = 1,272.01

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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.