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Finding the Fourth Proportional to 66,433.40, 99,664.29 and 24,313.29

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Solution

The fourth proportional to 66,433.40, 99,664.29 and 24,313.29 is: 36,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.40 : 99,664.29 = 24,313.29 : x
  2. Step 2: Convert to fraction form
    66,433.40/99,664.29 = 24,313.29/x
  3. Step 3: Cross multiply
    66,433.40x = 99,664.29 × 24,313.29
  4. Step 4: Simplify right side
    66,433.40x = 2,423,166,785.41
  5. Step 5: Solve for x
    x = 2,423,166,785.41/66,433.40
  6. Step 6: Final answer
    x = 36,475.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.