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Finding the Fourth Proportional to 40,325.99, 60,482.51 and 12,623.99

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Solution

The fourth proportional to 40,325.99, 60,482.51 and 12,623.99 is: 18,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.99 : 60,482.51 = 12,623.99 : x
  2. Step 2: Convert to fraction form
    40,325.99/60,482.51 = 12,623.99/x
  3. Step 3: Cross multiply
    40,325.99x = 60,482.51 × 12,623.99
  4. Step 4: Simplify right side
    40,325.99x = 763,530,538.29
  5. Step 5: Solve for x
    x = 763,530,538.29/40,325.99
  6. Step 6: Final answer
    x = 18,933.96

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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.