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Finding the Fourth Proportional to 30,852.58, 46,278.86 and 7,479.01

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Solution

The fourth proportional to 30,852.58, 46,278.86 and 7,479.01 is: 11,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.58 : 46,278.86 = 7,479.01 : x
  2. Step 2: Convert to fraction form
    30,852.58/46,278.86 = 7,479.01/x
  3. Step 3: Cross multiply
    30,852.58x = 46,278.86 × 7,479.01
  4. Step 4: Simplify right side
    30,852.58x = 346,120,056.73
  5. Step 5: Solve for x
    x = 346,120,056.73/30,852.58
  6. Step 6: Final answer
    x = 11,218.51

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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.