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Finding the Fourth Proportional to 30,529.31, 45,800.54 and 9,468.93

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Solution

The fourth proportional to 30,529.31, 45,800.54 and 9,468.93 is: 14,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.31 : 45,800.54 = 9,468.93 : x
  2. Step 2: Convert to fraction form
    30,529.31/45,800.54 = 9,468.93/x
  3. Step 3: Cross multiply
    30,529.31x = 45,800.54 × 9,468.93
  4. Step 4: Simplify right side
    30,529.31x = 433,682,107.22
  5. Step 5: Solve for x
    x = 433,682,107.22/30,529.31
  6. Step 6: Final answer
    x = 14,205.43

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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.