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Finding the Fourth Proportional to 58,611.62, 87,666.26 and 54,357.23

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Solution

The fourth proportional to 58,611.62, 87,666.26 and 54,357.23 is: 81,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.62 : 87,666.26 = 54,357.23 : x
  2. Step 2: Convert to fraction form
    58,611.62/87,666.26 = 54,357.23/x
  3. Step 3: Cross multiply
    58,611.62x = 87,666.26 × 54,357.23
  4. Step 4: Simplify right side
    58,611.62x = 4,765,295,005.44
  5. Step 5: Solve for x
    x = 4,765,295,005.44/58,611.62
  6. Step 6: Final answer
    x = 81,302.90

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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.