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Finding the Fourth Proportional to 30,482.01, 45,710.82 and 11,751.66

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Solution

The fourth proportional to 30,482.01, 45,710.82 and 11,751.66 is: 17,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.01 : 45,710.82 = 11,751.66 : x
  2. Step 2: Convert to fraction form
    30,482.01/45,710.82 = 11,751.66/x
  3. Step 3: Cross multiply
    30,482.01x = 45,710.82 × 11,751.66
  4. Step 4: Simplify right side
    30,482.01x = 537,178,014.96
  5. Step 5: Solve for x
    x = 537,178,014.96/30,482.01
  6. Step 6: Final answer
    x = 17,622.79

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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.