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Finding the Fourth Proportional to 54,865.73, 75,714.71 and 29,715.23

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Solution

The fourth proportional to 54,865.73, 75,714.71 and 29,715.23 is: 41,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865.73 : 75,714.71 = 29,715.23 : x
  2. Step 2: Convert to fraction form
    54,865.73/75,714.71 = 29,715.23/x
  3. Step 3: Cross multiply
    54,865.73x = 75,714.71 × 29,715.23
  4. Step 4: Simplify right side
    54,865.73x = 2,249,879,494.88
  5. Step 5: Solve for x
    x = 2,249,879,494.88/54,865.73
  6. Step 6: Final answer
    x = 41,007.01

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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.