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Finding the Fourth Proportional to 70,253.70, 105,415.15 and 32,808.34

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Solution

The fourth proportional to 70,253.70, 105,415.15 and 32,808.34 is: 49,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,253.70 : 105,415.15 = 32,808.34 : x
  2. Step 2: Convert to fraction form
    70,253.70/105,415.15 = 32,808.34/x
  3. Step 3: Cross multiply
    70,253.70x = 105,415.15 × 32,808.34
  4. Step 4: Simplify right side
    70,253.70x = 3,458,496,082.35
  5. Step 5: Solve for x
    x = 3,458,496,082.35/70,253.70
  6. Step 6: Final answer
    x = 49,228.67

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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.