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Finding the Fourth Proportional to 28,632.01, 42,950.96 and 9,912.03

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Solution

The fourth proportional to 28,632.01, 42,950.96 and 9,912.03 is: 14,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.01 : 42,950.96 = 9,912.03 : x
  2. Step 2: Convert to fraction form
    28,632.01/42,950.96 = 9,912.03/x
  3. Step 3: Cross multiply
    28,632.01x = 42,950.96 × 9,912.03
  4. Step 4: Simplify right side
    28,632.01x = 425,731,204.05
  5. Step 5: Solve for x
    x = 425,731,204.05/28,632.01
  6. Step 6: Final answer
    x = 14,869.06

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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.