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Finding the Fourth Proportional to 795.57, 1,098.72 and 547.53

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Solution

The fourth proportional to 795.57, 1,098.72 and 547.53 is: 756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.57 : 1,098.72 = 547.53 : x
  2. Step 2: Convert to fraction form
    795.57/1,098.72 = 547.53/x
  3. Step 3: Cross multiply
    795.57x = 1,098.72 × 547.53
  4. Step 4: Simplify right side
    795.57x = 601,582.16
  5. Step 5: Solve for x
    x = 601,582.16/795.57
  6. Step 6: Final answer
    x = 756.16

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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.