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Finding the Fourth Proportional to 64,619.52, 89,173.30 and 36,327.04

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Solution

The fourth proportional to 64,619.52, 89,173.30 and 36,327.04 is: 50,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.52 : 89,173.30 = 36,327.04 : x
  2. Step 2: Convert to fraction form
    64,619.52/89,173.30 = 36,327.04/x
  3. Step 3: Cross multiply
    64,619.52x = 89,173.30 × 36,327.04
  4. Step 4: Simplify right side
    64,619.52x = 3,239,402,036.03
  5. Step 5: Solve for x
    x = 3,239,402,036.03/64,619.52
  6. Step 6: Final answer
    x = 50,130.39

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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.