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Finding the Fourth Proportional to 45,373.56, 68,079.84 and 15,775.26

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Solution

The fourth proportional to 45,373.56, 68,079.84 and 15,775.26 is: 23,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,373.56 : 68,079.84 = 15,775.26 : x
  2. Step 2: Convert to fraction form
    45,373.56/68,079.84 = 15,775.26/x
  3. Step 3: Cross multiply
    45,373.56x = 68,079.84 × 15,775.26
  4. Step 4: Simplify right side
    45,373.56x = 1,073,977,176.76
  5. Step 5: Solve for x
    x = 1,073,977,176.76/45,373.56
  6. Step 6: Final answer
    x = 23,669.67

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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.