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Finding the Fourth Proportional to 36,706.40, 55,059.60 and 13,349.60

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Solution

The fourth proportional to 36,706.40, 55,059.60 and 13,349.60 is: 20,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,706.40 : 55,059.60 = 13,349.60 : x
  2. Step 2: Convert to fraction form
    36,706.40/55,059.60 = 13,349.60/x
  3. Step 3: Cross multiply
    36,706.40x = 55,059.60 × 13,349.60
  4. Step 4: Simplify right side
    36,706.40x = 735,023,636.16
  5. Step 5: Solve for x
    x = 735,023,636.16/36,706.40
  6. Step 6: Final answer
    x = 20,024.40

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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.