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Finding the Fourth Proportional to 51,047.60, 76,417.80 and 44,903.60

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Solution

The fourth proportional to 51,047.60, 76,417.80 and 44,903.60 is: 67,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.60 : 76,417.80 = 44,903.60 : x
  2. Step 2: Convert to fraction form
    51,047.60/76,417.80 = 44,903.60/x
  3. Step 3: Cross multiply
    51,047.60x = 76,417.80 × 44,903.60
  4. Step 4: Simplify right side
    51,047.60x = 3,431,434,324.08
  5. Step 5: Solve for x
    x = 3,431,434,324.08/51,047.60
  6. Step 6: Final answer
    x = 67,220.29

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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.