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Finding the Fourth Proportional to 30,482.58, 45,729.33 and 10,772.58

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Solution

The fourth proportional to 30,482.58, 45,729.33 and 10,772.58 is: 16,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.58 : 45,729.33 = 10,772.58 : x
  2. Step 2: Convert to fraction form
    30,482.58/45,729.33 = 10,772.58/x
  3. Step 3: Cross multiply
    30,482.58x = 45,729.33 × 10,772.58
  4. Step 4: Simplify right side
    30,482.58x = 492,622,865.77
  5. Step 5: Solve for x
    x = 492,622,865.77/30,482.58
  6. Step 6: Final answer
    x = 16,160.80

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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.