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Finding the Fourth Proportional to 45,703.19, 68,546.39 and 20,737.24

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Solution

The fourth proportional to 45,703.19, 68,546.39 and 20,737.24 is: 31,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.19 : 68,546.39 = 20,737.24 : x
  2. Step 2: Convert to fraction form
    45,703.19/68,546.39 = 20,737.24/x
  3. Step 3: Cross multiply
    45,703.19x = 68,546.39 × 20,737.24
  4. Step 4: Simplify right side
    45,703.19x = 1,421,462,665.51
  5. Step 5: Solve for x
    x = 1,421,462,665.51/45,703.19
  6. Step 6: Final answer
    x = 31,102.04

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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.