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Finding the Fourth Proportional to 30,009.52, 41,402.64 and 18,063.64

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Solution

The fourth proportional to 30,009.52, 41,402.64 and 18,063.64 is: 24,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.52 : 41,402.64 = 18,063.64 : x
  2. Step 2: Convert to fraction form
    30,009.52/41,402.64 = 18,063.64/x
  3. Step 3: Cross multiply
    30,009.52x = 41,402.64 × 18,063.64
  4. Step 4: Simplify right side
    30,009.52x = 747,882,384.01
  5. Step 5: Solve for x
    x = 747,882,384.01/30,009.52
  6. Step 6: Final answer
    x = 24,921.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.