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Finding the Fourth Proportional to 54,587.52, 81,878.04 and 53,110.08

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Solution

The fourth proportional to 54,587.52, 81,878.04 and 53,110.08 is: 79,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,587.52 : 81,878.04 = 53,110.08 : x
  2. Step 2: Convert to fraction form
    54,587.52/81,878.04 = 53,110.08/x
  3. Step 3: Cross multiply
    54,587.52x = 81,878.04 × 53,110.08
  4. Step 4: Simplify right side
    54,587.52x = 4,348,549,254.64
  5. Step 5: Solve for x
    x = 4,348,549,254.64/54,587.52
  6. Step 6: Final answer
    x = 79,661.97

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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.