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Finding the Fourth Proportional to 60,903.50, 91,369.84 and 19,350.50

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Solution

The fourth proportional to 60,903.50, 91,369.84 and 19,350.50 is: 29,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,903.50 : 91,369.84 = 19,350.50 : x
  2. Step 2: Convert to fraction form
    60,903.50/91,369.84 = 19,350.50/x
  3. Step 3: Cross multiply
    60,903.50x = 91,369.84 × 19,350.50
  4. Step 4: Simplify right side
    60,903.50x = 1,768,052,088.92
  5. Step 5: Solve for x
    x = 1,768,052,088.92/60,903.50
  6. Step 6: Final answer
    x = 29,030.39

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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.