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Finding the Fourth Proportional to 45,999.90, 63,486.59 and 25,858.44

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Solution

The fourth proportional to 45,999.90, 63,486.59 and 25,858.44 is: 35,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.90 : 63,486.59 = 25,858.44 : x
  2. Step 2: Convert to fraction form
    45,999.90/63,486.59 = 25,858.44/x
  3. Step 3: Cross multiply
    45,999.90x = 63,486.59 × 25,858.44
  4. Step 4: Simplify right side
    45,999.90x = 1,641,664,049.03
  5. Step 5: Solve for x
    x = 1,641,664,049.03/45,999.90
  6. Step 6: Final answer
    x = 35,688.43

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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.