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Finding the Fourth Proportional to 45,888.99, 68,832.67 and 12,608.92

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Solution

The fourth proportional to 45,888.99, 68,832.67 and 12,608.92 is: 18,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,888.99 : 68,832.67 = 12,608.92 : x
  2. Step 2: Convert to fraction form
    45,888.99/68,832.67 = 12,608.92/x
  3. Step 3: Cross multiply
    45,888.99x = 68,832.67 × 12,608.92
  4. Step 4: Simplify right side
    45,888.99x = 867,905,629.42
  5. Step 5: Solve for x
    x = 867,905,629.42/45,888.99
  6. Step 6: Final answer
    x = 18,913.16

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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.