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Finding the Fourth Proportional to 71,907.53, 107,875.44 and 21,994.74

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Solution

The fourth proportional to 71,907.53, 107,875.44 and 21,994.74 is: 32,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,907.53 : 107,875.44 = 21,994.74 : x
  2. Step 2: Convert to fraction form
    71,907.53/107,875.44 = 21,994.74/x
  3. Step 3: Cross multiply
    71,907.53x = 107,875.44 × 21,994.74
  4. Step 4: Simplify right side
    71,907.53x = 2,372,692,255.19
  5. Step 5: Solve for x
    x = 2,372,692,255.19/71,907.53
  6. Step 6: Final answer
    x = 32,996.44

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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.