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Finding the Fourth Proportional to 48,967.68, 73,451.44 and 13,907.68

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Solution

The fourth proportional to 48,967.68, 73,451.44 and 13,907.68 is: 20,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,967.68 : 73,451.44 = 13,907.68 : x
  2. Step 2: Convert to fraction form
    48,967.68/73,451.44 = 13,907.68/x
  3. Step 3: Cross multiply
    48,967.68x = 73,451.44 × 13,907.68
  4. Step 4: Simplify right side
    48,967.68x = 1,021,539,123.06
  5. Step 5: Solve for x
    x = 1,021,539,123.06/48,967.68
  6. Step 6: Final answer
    x = 20,861.50

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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.