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Finding the Fourth Proportional to 58,905.63, 88,373.03 and 19,463.09

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Solution

The fourth proportional to 58,905.63, 88,373.03 and 19,463.09 is: 29,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,905.63 : 88,373.03 = 19,463.09 : x
  2. Step 2: Convert to fraction form
    58,905.63/88,373.03 = 19,463.09/x
  3. Step 3: Cross multiply
    58,905.63x = 88,373.03 × 19,463.09
  4. Step 4: Simplify right side
    58,905.63x = 1,720,011,697.28
  5. Step 5: Solve for x
    x = 1,720,011,697.28/58,905.63
  6. Step 6: Final answer
    x = 29,199.44

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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.