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Finding the Fourth Proportional to 45,904.20, 68,856.30 and 44,300.40

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Solution

The fourth proportional to 45,904.20, 68,856.30 and 44,300.40 is: 66,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,904.20 : 68,856.30 = 44,300.40 : x
  2. Step 2: Convert to fraction form
    45,904.20/68,856.30 = 44,300.40/x
  3. Step 3: Cross multiply
    45,904.20x = 68,856.30 × 44,300.40
  4. Step 4: Simplify right side
    45,904.20x = 3,050,361,632.52
  5. Step 5: Solve for x
    x = 3,050,361,632.52/45,904.20
  6. Step 6: Final answer
    x = 66,450.60

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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.