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Finding the Fourth Proportional to 30,602.56, 45,917.01 and 16,572.61

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Solution

The fourth proportional to 30,602.56, 45,917.01 and 16,572.61 is: 24,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602.56 : 45,917.01 = 16,572.61 : x
  2. Step 2: Convert to fraction form
    30,602.56/45,917.01 = 16,572.61/x
  3. Step 3: Cross multiply
    30,602.56x = 45,917.01 × 16,572.61
  4. Step 4: Simplify right side
    30,602.56x = 760,964,699.10
  5. Step 5: Solve for x
    x = 760,964,699.10/30,602.56
  6. Step 6: Final answer
    x = 24,866.05

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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.