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Finding the Fourth Proportional to 30,470.96, 45,648.12 and 24,541.76

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Solution

The fourth proportional to 30,470.96, 45,648.12 and 24,541.76 is: 36,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.96 : 45,648.12 = 24,541.76 : x
  2. Step 2: Convert to fraction form
    30,470.96/45,648.12 = 24,541.76/x
  3. Step 3: Cross multiply
    30,470.96x = 45,648.12 × 24,541.76
  4. Step 4: Simplify right side
    30,470.96x = 1,120,285,205.49
  5. Step 5: Solve for x
    x = 1,120,285,205.49/30,470.96
  6. Step 6: Final answer
    x = 36,765.67

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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.