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Finding the Fourth Proportional to 19,588.76, 29,383.14 and 5,737.76

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Solution

The fourth proportional to 19,588.76, 29,383.14 and 5,737.76 is: 8,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.76 : 29,383.14 = 5,737.76 : x
  2. Step 2: Convert to fraction form
    19,588.76/29,383.14 = 5,737.76/x
  3. Step 3: Cross multiply
    19,588.76x = 29,383.14 × 5,737.76
  4. Step 4: Simplify right side
    19,588.76x = 168,593,405.37
  5. Step 5: Solve for x
    x = 168,593,405.37/19,588.76
  6. Step 6: Final answer
    x = 8,606.64

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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.