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Finding the Fourth Proportional to 1,562.83, 2,344 and 522.83

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Solution

The fourth proportional to 1,562.83, 2,344 and 522.83 is: 784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.83 : 2,344 = 522.83 : x
  2. Step 2: Convert to fraction form
    1,562.83/2,344 = 522.83/x
  3. Step 3: Cross multiply
    1,562.83x = 2,344 × 522.83
  4. Step 4: Simplify right side
    1,562.83x = 1,225,513.52
  5. Step 5: Solve for x
    x = 1,225,513.52/1,562.83
  6. Step 6: Final answer
    x = 784.16

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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.