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Finding the Fourth Proportional to 29,638.60, 44,441.70 and 12,088.60

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Solution

The fourth proportional to 29,638.60, 44,441.70 and 12,088.60 is: 18,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.60 : 44,441.70 = 12,088.60 : x
  2. Step 2: Convert to fraction form
    29,638.60/44,441.70 = 12,088.60/x
  3. Step 3: Cross multiply
    29,638.60x = 44,441.70 × 12,088.60
  4. Step 4: Simplify right side
    29,638.60x = 537,237,934.62
  5. Step 5: Solve for x
    x = 537,237,934.62/29,638.60
  6. Step 6: Final answer
    x = 18,126.29

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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.