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Finding the Fourth Proportional to 45,873.32, 68,810.08 and 12,593.84

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Solution

The fourth proportional to 45,873.32, 68,810.08 and 12,593.84 is: 18,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873.32 : 68,810.08 = 12,593.84 : x
  2. Step 2: Convert to fraction form
    45,873.32/68,810.08 = 12,593.84/x
  3. Step 3: Cross multiply
    45,873.32x = 68,810.08 × 12,593.84
  4. Step 4: Simplify right side
    45,873.32x = 866,582,762.37
  5. Step 5: Solve for x
    x = 866,582,762.37/45,873.32
  6. Step 6: Final answer
    x = 18,890.78

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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.