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Finding the Fourth Proportional to 11,152.61, 16,726.12 and 4,580.61

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Solution

The fourth proportional to 11,152.61, 16,726.12 and 4,580.61 is: 6,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.61 : 16,726.12 = 4,580.61 : x
  2. Step 2: Convert to fraction form
    11,152.61/16,726.12 = 4,580.61/x
  3. Step 3: Cross multiply
    11,152.61x = 16,726.12 × 4,580.61
  4. Step 4: Simplify right side
    11,152.61x = 76,615,809.63
  5. Step 5: Solve for x
    x = 76,615,809.63/11,152.61
  6. Step 6: Final answer
    x = 6,869.76

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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.