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Finding the Fourth Proportional to 1,562.96, 2,344.70 and 697.24

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Solution

The fourth proportional to 1,562.96, 2,344.70 and 697.24 is: 1,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.96 : 2,344.70 = 697.24 : x
  2. Step 2: Convert to fraction form
    1,562.96/2,344.70 = 697.24/x
  3. Step 3: Cross multiply
    1,562.96x = 2,344.70 × 697.24
  4. Step 4: Simplify right side
    1,562.96x = 1,634,818.63
  5. Step 5: Solve for x
    x = 1,634,818.63/1,562.96
  6. Step 6: Final answer
    x = 1,045.98

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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.