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Finding the Fourth Proportional to 56,496.66, 84,745.48 and 14,376.80

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Solution

The fourth proportional to 56,496.66, 84,745.48 and 14,376.80 is: 21,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496.66 : 84,745.48 = 14,376.80 : x
  2. Step 2: Convert to fraction form
    56,496.66/84,745.48 = 14,376.80/x
  3. Step 3: Cross multiply
    56,496.66x = 84,745.48 × 14,376.80
  4. Step 4: Simplify right side
    56,496.66x = 1,218,368,816.86
  5. Step 5: Solve for x
    x = 1,218,368,816.86/56,496.66
  6. Step 6: Final answer
    x = 21,565.32

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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.