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Finding the Fourth Proportional to 28,149.96, 38,684.35 and 26,848.97

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Solution

The fourth proportional to 28,149.96, 38,684.35 and 26,848.97 is: 36,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.96 : 38,684.35 = 26,848.97 : x
  2. Step 2: Convert to fraction form
    28,149.96/38,684.35 = 26,848.97/x
  3. Step 3: Cross multiply
    28,149.96x = 38,684.35 × 26,848.97
  4. Step 4: Simplify right side
    28,149.96x = 1,038,634,952.62
  5. Step 5: Solve for x
    x = 1,038,634,952.62/28,149.96
  6. Step 6: Final answer
    x = 36,896.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.