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Finding the Fourth Proportional to 30,555.06, 45,832.62 and 8,368.62

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Solution

The fourth proportional to 30,555.06, 45,832.62 and 8,368.62 is: 12,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555.06 : 45,832.62 = 8,368.62 : x
  2. Step 2: Convert to fraction form
    30,555.06/45,832.62 = 8,368.62/x
  3. Step 3: Cross multiply
    30,555.06x = 45,832.62 × 8,368.62
  4. Step 4: Simplify right side
    30,555.06x = 383,555,780.38
  5. Step 5: Solve for x
    x = 383,555,780.38/30,555.06
  6. Step 6: Final answer
    x = 12,552.94

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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.