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Finding the Fourth Proportional to 66,369.91, 99,496.54 and 24,807.19

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Solution

The fourth proportional to 66,369.91, 99,496.54 and 24,807.19 is: 37,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,369.91 : 99,496.54 = 24,807.19 : x
  2. Step 2: Convert to fraction form
    66,369.91/99,496.54 = 24,807.19/x
  3. Step 3: Cross multiply
    66,369.91x = 99,496.54 × 24,807.19
  4. Step 4: Simplify right side
    66,369.91x = 2,468,229,572.12
  5. Step 5: Solve for x
    x = 2,468,229,572.12/66,369.91
  6. Step 6: Final answer
    x = 37,188.98

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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.