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Finding the Fourth Proportional to 1,095.46, 1,644.06 and 575.77

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Solution

The fourth proportional to 1,095.46, 1,644.06 and 575.77 is: 864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.46 : 1,644.06 = 575.77 : x
  2. Step 2: Convert to fraction form
    1,095.46/1,644.06 = 575.77/x
  3. Step 3: Cross multiply
    1,095.46x = 1,644.06 × 575.77
  4. Step 4: Simplify right side
    1,095.46x = 946,598.48
  5. Step 5: Solve for x
    x = 946,598.48/1,095.46
  6. Step 6: Final answer
    x = 864.11

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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.