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Finding the Fourth Proportional to 47,246.80, 70,870.20 and 29,736.40

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Solution

The fourth proportional to 47,246.80, 70,870.20 and 29,736.40 is: 44,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,246.80 : 70,870.20 = 29,736.40 : x
  2. Step 2: Convert to fraction form
    47,246.80/70,870.20 = 29,736.40/x
  3. Step 3: Cross multiply
    47,246.80x = 70,870.20 × 29,736.40
  4. Step 4: Simplify right side
    47,246.80x = 2,107,424,615.28
  5. Step 5: Solve for x
    x = 2,107,424,615.28/47,246.80
  6. Step 6: Final answer
    x = 44,604.60

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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.