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Finding the Fourth Proportional to 48,602.69, 72,904.03 and 11,666.69

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Solution

The fourth proportional to 48,602.69, 72,904.03 and 11,666.69 is: 17,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,602.69 : 72,904.03 = 11,666.69 : x
  2. Step 2: Convert to fraction form
    48,602.69/72,904.03 = 11,666.69/x
  3. Step 3: Cross multiply
    48,602.69x = 72,904.03 × 11,666.69
  4. Step 4: Simplify right side
    48,602.69x = 850,548,717.76
  5. Step 5: Solve for x
    x = 850,548,717.76/48,602.69
  6. Step 6: Final answer
    x = 17,500.03

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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.