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Finding the Fourth Proportional to 54,345.84, 81,516.84 and 14,902.32

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Solution

The fourth proportional to 54,345.84, 81,516.84 and 14,902.32 is: 22,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.84 : 81,516.84 = 14,902.32 : x
  2. Step 2: Convert to fraction form
    54,345.84/81,516.84 = 14,902.32/x
  3. Step 3: Cross multiply
    54,345.84x = 81,516.84 × 14,902.32
  4. Step 4: Simplify right side
    54,345.84x = 1,214,790,035.07
  5. Step 5: Solve for x
    x = 1,214,790,035.07/54,345.84
  6. Step 6: Final answer
    x = 22,352.95

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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.