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Finding the Fourth Proportional to 795.85, 1,095.81 and 707.18

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Solution

The fourth proportional to 795.85, 1,095.81 and 707.18 is: 973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.85 : 1,095.81 = 707.18 : x
  2. Step 2: Convert to fraction form
    795.85/1,095.81 = 707.18/x
  3. Step 3: Cross multiply
    795.85x = 1,095.81 × 707.18
  4. Step 4: Simplify right side
    795.85x = 774,926.78
  5. Step 5: Solve for x
    x = 774,926.78/795.85
  6. Step 6: Final answer
    x = 973.71

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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.