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Finding the Fourth Proportional to 64,644.84, 89,206.62 and 36,348.84

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Solution

The fourth proportional to 64,644.84, 89,206.62 and 36,348.84 is: 50,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,644.84 : 89,206.62 = 36,348.84 : x
  2. Step 2: Convert to fraction form
    64,644.84/89,206.62 = 36,348.84/x
  3. Step 3: Cross multiply
    64,644.84x = 89,206.62 × 36,348.84
  4. Step 4: Simplify right side
    64,644.84x = 3,242,557,157.32
  5. Step 5: Solve for x
    x = 3,242,557,157.32/64,644.84
  6. Step 6: Final answer
    x = 50,159.57

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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.