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Finding the Fourth Proportional to 54,322.79, 81,484.25 and 14,880.24

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Solution

The fourth proportional to 54,322.79, 81,484.25 and 14,880.24 is: 22,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.79 : 81,484.25 = 14,880.24 : x
  2. Step 2: Convert to fraction form
    54,322.79/81,484.25 = 14,880.24/x
  3. Step 3: Cross multiply
    54,322.79x = 81,484.25 × 14,880.24
  4. Step 4: Simplify right side
    54,322.79x = 1,212,505,121.82
  5. Step 5: Solve for x
    x = 1,212,505,121.82/54,322.79
  6. Step 6: Final answer
    x = 22,320.38

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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.