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Finding the Fourth Proportional to 74,241.95, 111,362.93 and 21,651.44

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Solution

The fourth proportional to 74,241.95, 111,362.93 and 21,651.44 is: 32,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241.95 : 111,362.93 = 21,651.44 : x
  2. Step 2: Convert to fraction form
    74,241.95/111,362.93 = 21,651.44/x
  3. Step 3: Cross multiply
    74,241.95x = 111,362.93 × 21,651.44
  4. Step 4: Simplify right side
    74,241.95x = 2,411,167,132.05
  5. Step 5: Solve for x
    x = 2,411,167,132.05/74,241.95
  6. Step 6: Final answer
    x = 32,477.15

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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.