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Finding the Fourth Proportional to 63,019.96, 94,529.67 and 18,646.99

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Solution

The fourth proportional to 63,019.96, 94,529.67 and 18,646.99 is: 27,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,019.96 : 94,529.67 = 18,646.99 : x
  2. Step 2: Convert to fraction form
    63,019.96/94,529.67 = 18,646.99/x
  3. Step 3: Cross multiply
    63,019.96x = 94,529.67 × 18,646.99
  4. Step 4: Simplify right side
    63,019.96x = 1,762,693,811.19
  5. Step 5: Solve for x
    x = 1,762,693,811.19/63,019.96
  6. Step 6: Final answer
    x = 27,970.41

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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.