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Finding the Fourth Proportional to 29,865.60, 44,814.60 and 12,337.20

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Solution

The fourth proportional to 29,865.60, 44,814.60 and 12,337.20 is: 18,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,865.60 : 44,814.60 = 12,337.20 : x
  2. Step 2: Convert to fraction form
    29,865.60/44,814.60 = 12,337.20/x
  3. Step 3: Cross multiply
    29,865.60x = 44,814.60 × 12,337.20
  4. Step 4: Simplify right side
    29,865.60x = 552,886,683.12
  5. Step 5: Solve for x
    x = 552,886,683.12/29,865.60
  6. Step 6: Final answer
    x = 18,512.49

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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.