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Finding the Fourth Proportional to 64,755.08, 89,363.76 and 36,461.80

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Solution

The fourth proportional to 64,755.08, 89,363.76 and 36,461.80 is: 50,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.08 : 89,363.76 = 36,461.80 : x
  2. Step 2: Convert to fraction form
    64,755.08/89,363.76 = 36,461.80/x
  3. Step 3: Cross multiply
    64,755.08x = 89,363.76 × 36,461.80
  4. Step 4: Simplify right side
    64,755.08x = 3,258,363,544.37
  5. Step 5: Solve for x
    x = 3,258,363,544.37/64,755.08
  6. Step 6: Final answer
    x = 50,318.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.