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Finding the Fourth Proportional to 59,878.48, 82,638.48 and 38,089.88

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Solution

The fourth proportional to 59,878.48, 82,638.48 and 38,089.88 is: 52,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,878.48 : 82,638.48 = 38,089.88 : x
  2. Step 2: Convert to fraction form
    59,878.48/82,638.48 = 38,089.88/x
  3. Step 3: Cross multiply
    59,878.48x = 82,638.48 × 38,089.88
  4. Step 4: Simplify right side
    59,878.48x = 3,147,689,786.58
  5. Step 5: Solve for x
    x = 3,147,689,786.58/59,878.48
  6. Step 6: Final answer
    x = 52,567.96

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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.