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Finding the Fourth Proportional to 63,133.83, 94,684.34 and 18,748.67

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Solution

The fourth proportional to 63,133.83, 94,684.34 and 18,748.67 is: 28,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,133.83 : 94,684.34 = 18,748.67 : x
  2. Step 2: Convert to fraction form
    63,133.83/94,684.34 = 18,748.67/x
  3. Step 3: Cross multiply
    63,133.83x = 94,684.34 × 18,748.67
  4. Step 4: Simplify right side
    63,133.83x = 1,775,205,018.28
  5. Step 5: Solve for x
    x = 1,775,205,018.28/63,133.83
  6. Step 6: Final answer
    x = 28,118.13

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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.