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Finding the Fourth Proportional to 34,980.15, 52,478.03 and 12,793.04

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Solution

The fourth proportional to 34,980.15, 52,478.03 and 12,793.04 is: 19,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.15 : 52,478.03 = 12,793.04 : x
  2. Step 2: Convert to fraction form
    34,980.15/52,478.03 = 12,793.04/x
  3. Step 3: Cross multiply
    34,980.15x = 52,478.03 × 12,793.04
  4. Step 4: Simplify right side
    34,980.15x = 671,353,341.75
  5. Step 5: Solve for x
    x = 671,353,341.75/34,980.15
  6. Step 6: Final answer
    x = 19,192.41

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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.