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Finding the Fourth Proportional to 31,192.96, 46,800.48 and 19,492.48

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Solution

The fourth proportional to 31,192.96, 46,800.48 and 19,492.48 is: 29,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.96 : 46,800.48 = 19,492.48 : x
  2. Step 2: Convert to fraction form
    31,192.96/46,800.48 = 19,492.48/x
  3. Step 3: Cross multiply
    31,192.96x = 46,800.48 × 19,492.48
  4. Step 4: Simplify right side
    31,192.96x = 912,257,420.39
  5. Step 5: Solve for x
    x = 912,257,420.39/31,192.96
  6. Step 6: Final answer
    x = 29,245.62

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1.5x scale

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.