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Finding the Fourth Proportional to 40,506.68, 60,759.66 and 12,804.68

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Solution

The fourth proportional to 40,506.68, 60,759.66 and 12,804.68 is: 19,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,506.68 : 60,759.66 = 12,804.68 : x
  2. Step 2: Convert to fraction form
    40,506.68/60,759.66 = 12,804.68/x
  3. Step 3: Cross multiply
    40,506.68x = 60,759.66 × 12,804.68
  4. Step 4: Simplify right side
    40,506.68x = 778,008,003.21
  5. Step 5: Solve for x
    x = 778,008,003.21/40,506.68
  6. Step 6: Final answer
    x = 19,206.91

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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.