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Finding the Fourth Proportional to 45,990.32, 68,992.68 and 14,828.72

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Solution

The fourth proportional to 45,990.32, 68,992.68 and 14,828.72 is: 22,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,990.32 : 68,992.68 = 14,828.72 : x
  2. Step 2: Convert to fraction form
    45,990.32/68,992.68 = 14,828.72/x
  3. Step 3: Cross multiply
    45,990.32x = 68,992.68 × 14,828.72
  4. Step 4: Simplify right side
    45,990.32x = 1,023,073,133.77
  5. Step 5: Solve for x
    x = 1,023,073,133.77/45,990.32
  6. Step 6: Final answer
    x = 22,245.40

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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.