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Finding the Fourth Proportional to 45,246.60, 67,826.70 and 35,245.80

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Solution

The fourth proportional to 45,246.60, 67,826.70 and 35,245.80 is: 52,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,246.60 : 67,826.70 = 35,245.80 : x
  2. Step 2: Convert to fraction form
    45,246.60/67,826.70 = 35,245.80/x
  3. Step 3: Cross multiply
    45,246.60x = 67,826.70 × 35,245.80
  4. Step 4: Simplify right side
    45,246.60x = 2,390,606,302.86
  5. Step 5: Solve for x
    x = 2,390,606,302.86/45,246.60
  6. Step 6: Final answer
    x = 52,835.05

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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.