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Finding the Fourth Proportional to 34,598.63, 51,920.01 and 12,411.51

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Solution

The fourth proportional to 34,598.63, 51,920.01 and 12,411.51 is: 18,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,598.63 : 51,920.01 = 12,411.51 : x
  2. Step 2: Convert to fraction form
    34,598.63/51,920.01 = 12,411.51/x
  3. Step 3: Cross multiply
    34,598.63x = 51,920.01 × 12,411.51
  4. Step 4: Simplify right side
    34,598.63x = 644,405,723.32
  5. Step 5: Solve for x
    x = 644,405,723.32/34,598.63
  6. Step 6: Final answer
    x = 18,625.18

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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.