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Finding the Fourth Proportional to 64,606.68, 89,152.65 and 36,316.62

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Solution

The fourth proportional to 64,606.68, 89,152.65 and 36,316.62 is: 50,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,606.68 : 89,152.65 = 36,316.62 : x
  2. Step 2: Convert to fraction form
    64,606.68/89,152.65 = 36,316.62/x
  3. Step 3: Cross multiply
    64,606.68x = 89,152.65 × 36,316.62
  4. Step 4: Simplify right side
    64,606.68x = 3,237,722,912.04
  5. Step 5: Solve for x
    x = 3,237,722,912.04/64,606.68
  6. Step 6: Final answer
    x = 50,114.37

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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.