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Finding the Fourth Proportional to 24,630.40, 36,921.60 and 14,089.60

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Solution

The fourth proportional to 24,630.40, 36,921.60 and 14,089.60 is: 21,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,630.40 : 36,921.60 = 14,089.60 : x
  2. Step 2: Convert to fraction form
    24,630.40/36,921.60 = 14,089.60/x
  3. Step 3: Cross multiply
    24,630.40x = 36,921.60 × 14,089.60
  4. Step 4: Simplify right side
    24,630.40x = 520,210,575.36
  5. Step 5: Solve for x
    x = 520,210,575.36/24,630.40
  6. Step 6: Final answer
    x = 21,120.67

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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.