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Finding the Fourth Proportional to 64,606.01, 89,164.67 and 36,317.16

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Solution

The fourth proportional to 64,606.01, 89,164.67 and 36,317.16 is: 50,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,606.01 : 89,164.67 = 36,317.16 : x
  2. Step 2: Convert to fraction form
    64,606.01/89,164.67 = 36,317.16/x
  3. Step 3: Cross multiply
    64,606.01x = 89,164.67 × 36,317.16
  4. Step 4: Simplify right side
    64,606.01x = 3,238,207,405.15
  5. Step 5: Solve for x
    x = 3,238,207,405.15/64,606.01
  6. Step 6: Final answer
    x = 50,122.39

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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.