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Finding the Fourth Proportional to 47,274.40, 70,911.60 and 29,821.60

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Solution

The fourth proportional to 47,274.40, 70,911.60 and 29,821.60 is: 44,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.40 : 70,911.60 = 29,821.60 : x
  2. Step 2: Convert to fraction form
    47,274.40/70,911.60 = 29,821.60/x
  3. Step 3: Cross multiply
    47,274.40x = 70,911.60 × 29,821.60
  4. Step 4: Simplify right side
    47,274.40x = 2,114,697,370.56
  5. Step 5: Solve for x
    x = 2,114,697,370.56/47,274.40
  6. Step 6: Final answer
    x = 44,732.40

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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.