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Finding the Fourth Proportional to 63,115.59, 94,640.21 and 18,736.23

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Solution

The fourth proportional to 63,115.59, 94,640.21 and 18,736.23 is: 28,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.59 : 94,640.21 = 18,736.23 : x
  2. Step 2: Convert to fraction form
    63,115.59/94,640.21 = 18,736.23/x
  3. Step 3: Cross multiply
    63,115.59x = 94,640.21 × 18,736.23
  4. Step 4: Simplify right side
    63,115.59x = 1,773,200,648.13
  5. Step 5: Solve for x
    x = 1,773,200,648.13/63,115.59
  6. Step 6: Final answer
    x = 28,094.50

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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.