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Finding the Fourth Proportional to 11,804.70, 17,712.45 and 5,562.30

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Solution

The fourth proportional to 11,804.70, 17,712.45 and 5,562.30 is: 8,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.70 : 17,712.45 = 5,562.30 : x
  2. Step 2: Convert to fraction form
    11,804.70/17,712.45 = 5,562.30/x
  3. Step 3: Cross multiply
    11,804.70x = 17,712.45 × 5,562.30
  4. Step 4: Simplify right side
    11,804.70x = 98,521,960.64
  5. Step 5: Solve for x
    x = 98,521,960.64/11,804.70
  6. Step 6: Final answer
    x = 8,345.99

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1.5x scale

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.