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Finding the Fourth Proportional to 29,784.60, 44,665.85 and 8,720.34

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Solution

The fourth proportional to 29,784.60, 44,665.85 and 8,720.34 is: 13,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,784.60 : 44,665.85 = 8,720.34 : x
  2. Step 2: Convert to fraction form
    29,784.60/44,665.85 = 8,720.34/x
  3. Step 3: Cross multiply
    29,784.60x = 44,665.85 × 8,720.34
  4. Step 4: Simplify right side
    29,784.60x = 389,501,354.79
  5. Step 5: Solve for x
    x = 389,501,354.79/29,784.60
  6. Step 6: Final answer
    x = 13,077.27

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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.