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Finding the Fourth Proportional to 65,165.19, 89,924.54 and 36,866.31

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Solution

The fourth proportional to 65,165.19, 89,924.54 and 36,866.31 is: 50,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,165.19 : 89,924.54 = 36,866.31 : x
  2. Step 2: Convert to fraction form
    65,165.19/89,924.54 = 36,866.31/x
  3. Step 3: Cross multiply
    65,165.19x = 89,924.54 × 36,866.31
  4. Step 4: Simplify right side
    65,165.19x = 3,315,185,783.92
  5. Step 5: Solve for x
    x = 3,315,185,783.92/65,165.19
  6. Step 6: Final answer
    x = 50,873.57

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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.