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Finding the Fourth Proportional to 64,074.36, 88,418.95 and 38,262.03

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Solution

The fourth proportional to 64,074.36, 88,418.95 and 38,262.03 is: 52,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.36 : 88,418.95 = 38,262.03 : x
  2. Step 2: Convert to fraction form
    64,074.36/88,418.95 = 38,262.03/x
  3. Step 3: Cross multiply
    64,074.36x = 88,418.95 × 38,262.03
  4. Step 4: Simplify right side
    64,074.36x = 3,383,089,030.05
  5. Step 5: Solve for x
    x = 3,383,089,030.05/64,074.36
  6. Step 6: Final answer
    x = 52,799.42

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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.