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Finding the Fourth Proportional to 54,874.74, 75,732.75 and 39,573.93

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Solution

The fourth proportional to 54,874.74, 75,732.75 and 39,573.93 is: 54,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874.74 : 75,732.75 = 39,573.93 : x
  2. Step 2: Convert to fraction form
    54,874.74/75,732.75 = 39,573.93/x
  3. Step 3: Cross multiply
    54,874.74x = 75,732.75 × 39,573.93
  4. Step 4: Simplify right side
    54,874.74x = 2,997,042,547.21
  5. Step 5: Solve for x
    x = 2,997,042,547.21/54,874.74
  6. Step 6: Final answer
    x = 54,616.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.