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Finding the Fourth Proportional to 61,160.38, 91,736.44 and 16,783.40

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Solution

The fourth proportional to 61,160.38, 91,736.44 and 16,783.40 is: 25,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,160.38 : 91,736.44 = 16,783.40 : x
  2. Step 2: Convert to fraction form
    61,160.38/91,736.44 = 16,783.40/x
  3. Step 3: Cross multiply
    61,160.38x = 91,736.44 × 16,783.40
  4. Step 4: Simplify right side
    61,160.38x = 1,539,649,554.48
  5. Step 5: Solve for x
    x = 1,539,649,554.48/61,160.38
  6. Step 6: Final answer
    x = 25,173.97

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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.