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Finding the Fourth Proportional to 34,686.99, 52,016.76 and 12,492.63

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Solution

The fourth proportional to 34,686.99, 52,016.76 and 12,492.63 is: 18,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.99 : 52,016.76 = 12,492.63 : x
  2. Step 2: Convert to fraction form
    34,686.99/52,016.76 = 12,492.63/x
  3. Step 3: Cross multiply
    34,686.99x = 52,016.76 × 12,492.63
  4. Step 4: Simplify right side
    34,686.99x = 649,826,136.48
  5. Step 5: Solve for x
    x = 649,826,136.48/34,686.99
  6. Step 6: Final answer
    x = 18,734.00

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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.