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Finding the Fourth Proportional to 62,191.62, 85,878.09 and 53,326.98

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Solution

The fourth proportional to 62,191.62, 85,878.09 and 53,326.98 is: 73,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,191.62 : 85,878.09 = 53,326.98 : x
  2. Step 2: Convert to fraction form
    62,191.62/85,878.09 = 53,326.98/x
  3. Step 3: Cross multiply
    62,191.62x = 85,878.09 × 53,326.98
  4. Step 4: Simplify right side
    62,191.62x = 4,579,619,187.87
  5. Step 5: Solve for x
    x = 4,579,619,187.87/62,191.62
  6. Step 6: Final answer
    x = 73,637.24

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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.