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Finding the Fourth Proportional to 64,723.02, 89,296.89 and 36,423.24

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Solution

The fourth proportional to 64,723.02, 89,296.89 and 36,423.24 is: 50,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723.02 : 89,296.89 = 36,423.24 : x
  2. Step 2: Convert to fraction form
    64,723.02/89,296.89 = 36,423.24/x
  3. Step 3: Cross multiply
    64,723.02x = 89,296.89 × 36,423.24
  4. Step 4: Simplify right side
    64,723.02x = 3,252,482,055.72
  5. Step 5: Solve for x
    x = 3,252,482,055.72/64,723.02
  6. Step 6: Final answer
    x = 50,252.32

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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.