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Finding the Fourth Proportional to 64,908.03, 89,573.76 and 36,230.40

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Solution

The fourth proportional to 64,908.03, 89,573.76 and 36,230.40 is: 49,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,908.03 : 89,573.76 = 36,230.40 : x
  2. Step 2: Convert to fraction form
    64,908.03/89,573.76 = 36,230.40/x
  3. Step 3: Cross multiply
    64,908.03x = 89,573.76 × 36,230.40
  4. Step 4: Simplify right side
    64,908.03x = 3,245,293,154.30
  5. Step 5: Solve for x
    x = 3,245,293,154.30/64,908.03
  6. Step 6: Final answer
    x = 49,998.33

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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.