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Finding the Fourth Proportional to 54,480.50, 81,710.94 and 14,499.68

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Solution

The fourth proportional to 54,480.50, 81,710.94 and 14,499.68 is: 21,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,480.50 : 81,710.94 = 14,499.68 : x
  2. Step 2: Convert to fraction form
    54,480.50/81,710.94 = 14,499.68/x
  3. Step 3: Cross multiply
    54,480.50x = 81,710.94 × 14,499.68
  4. Step 4: Simplify right side
    54,480.50x = 1,184,782,482.50
  5. Step 5: Solve for x
    x = 1,184,782,482.50/54,480.50
  6. Step 6: Final answer
    x = 21,746.91

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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.