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Finding the Fourth Proportional to 64,866.40, 89,510.24 and 36,579.04

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Solution

The fourth proportional to 64,866.40, 89,510.24 and 36,579.04 is: 50,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,866.40 : 89,510.24 = 36,579.04 : x
  2. Step 2: Convert to fraction form
    64,866.40/89,510.24 = 36,579.04/x
  3. Step 3: Cross multiply
    64,866.40x = 89,510.24 × 36,579.04
  4. Step 4: Simplify right side
    64,866.40x = 3,274,198,649.37
  5. Step 5: Solve for x
    x = 3,274,198,649.37/64,866.40
  6. Step 6: Final answer
    x = 50,476.03

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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.