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Finding the Fourth Proportional to 40,504.68, 60,756.66 and 12,802.68

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Solution

The fourth proportional to 40,504.68, 60,756.66 and 12,802.68 is: 19,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504.68 : 60,756.66 = 12,802.68 : x
  2. Step 2: Convert to fraction form
    40,504.68/60,756.66 = 12,802.68/x
  3. Step 3: Cross multiply
    40,504.68x = 60,756.66 × 12,802.68
  4. Step 4: Simplify right side
    40,504.68x = 777,848,075.85
  5. Step 5: Solve for x
    x = 777,848,075.85/40,504.68
  6. Step 6: Final answer
    x = 19,203.91

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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.