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Finding the Fourth Proportional to 30,852.77, 46,278.74 and 7,479.41

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Solution

The fourth proportional to 30,852.77, 46,278.74 and 7,479.41 is: 11,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.77 : 46,278.74 = 7,479.41 : x
  2. Step 2: Convert to fraction form
    30,852.77/46,278.74 = 7,479.41/x
  3. Step 3: Cross multiply
    30,852.77x = 46,278.74 × 7,479.41
  4. Step 4: Simplify right side
    30,852.77x = 346,137,458.05
  5. Step 5: Solve for x
    x = 346,137,458.05/30,852.77
  6. Step 6: Final answer
    x = 11,219.01

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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.