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Finding the Fourth Proportional to 924.51, 1,269.15 and 793.29

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Solution

The fourth proportional to 924.51, 1,269.15 and 793.29 is: 1,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.51 : 1,269.15 = 793.29 : x
  2. Step 2: Convert to fraction form
    924.51/1,269.15 = 793.29/x
  3. Step 3: Cross multiply
    924.51x = 1,269.15 × 793.29
  4. Step 4: Simplify right side
    924.51x = 1,006,800.04
  5. Step 5: Solve for x
    x = 1,006,800.04/924.51
  6. Step 6: Final answer
    x = 1,089.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.