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Finding the Fourth Proportional to 30,060.28, 45,094.52 and 12,526

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Solution

The fourth proportional to 30,060.28, 45,094.52 and 12,526 is: 18,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.28 : 45,094.52 = 12,526 : x
  2. Step 2: Convert to fraction form
    30,060.28/45,094.52 = 12,526/x
  3. Step 3: Cross multiply
    30,060.28x = 45,094.52 × 12,526
  4. Step 4: Simplify right side
    30,060.28x = 564,853,957.52
  5. Step 5: Solve for x
    x = 564,853,957.52/30,060.28
  6. Step 6: Final answer
    x = 18,790.71

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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.