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Finding the Fourth Proportional to 48,666.42, 72,981.81 and 23,698.98

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Solution

The fourth proportional to 48,666.42, 72,981.81 and 23,698.98 is: 35,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.42 : 72,981.81 = 23,698.98 : x
  2. Step 2: Convert to fraction form
    48,666.42/72,981.81 = 23,698.98/x
  3. Step 3: Cross multiply
    48,666.42x = 72,981.81 × 23,698.98
  4. Step 4: Simplify right side
    48,666.42x = 1,729,594,455.55
  5. Step 5: Solve for x
    x = 1,729,594,455.55/48,666.42
  6. Step 6: Final answer
    x = 35,539.79

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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.