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Finding the Fourth Proportional to 29,638.60, 44,457.90 and 9,910.60

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Solution

The fourth proportional to 29,638.60, 44,457.90 and 9,910.60 is: 14,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.60 : 44,457.90 = 9,910.60 : x
  2. Step 2: Convert to fraction form
    29,638.60/44,457.90 = 9,910.60/x
  3. Step 3: Cross multiply
    29,638.60x = 44,457.90 × 9,910.60
  4. Step 4: Simplify right side
    29,638.60x = 440,604,463.74
  5. Step 5: Solve for x
    x = 440,604,463.74/29,638.60
  6. Step 6: Final answer
    x = 14,865.90

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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.