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Finding the Fourth Proportional to 14,808.92, 20,432.94 and 8,842.52

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Solution

The fourth proportional to 14,808.92, 20,432.94 and 8,842.52 is: 12,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.92 : 20,432.94 = 8,842.52 : x
  2. Step 2: Convert to fraction form
    14,808.92/20,432.94 = 8,842.52/x
  3. Step 3: Cross multiply
    14,808.92x = 20,432.94 × 8,842.52
  4. Step 4: Simplify right side
    14,808.92x = 180,678,680.61
  5. Step 5: Solve for x
    x = 180,678,680.61/14,808.92
  6. Step 6: Final answer
    x = 12,200.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.