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Finding the Fourth Proportional to 56,607.86, 84,911.49 and 14,487.86

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Solution

The fourth proportional to 56,607.86, 84,911.49 and 14,487.86 is: 21,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,607.86 : 84,911.49 = 14,487.86 : x
  2. Step 2: Convert to fraction form
    56,607.86/84,911.49 = 14,487.86/x
  3. Step 3: Cross multiply
    56,607.86x = 84,911.49 × 14,487.86
  4. Step 4: Simplify right side
    56,607.86x = 1,230,185,991.79
  5. Step 5: Solve for x
    x = 1,230,185,991.79/56,607.86
  6. Step 6: Final answer
    x = 21,731.72

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Double scale
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Similar ratio
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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.