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Finding the Fourth Proportional to 58,943.36, 88,415.04 and 17,380.64

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Solution

The fourth proportional to 58,943.36, 88,415.04 and 17,380.64 is: 26,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,943.36 : 88,415.04 = 17,380.64 : x
  2. Step 2: Convert to fraction form
    58,943.36/88,415.04 = 17,380.64/x
  3. Step 3: Cross multiply
    58,943.36x = 88,415.04 × 17,380.64
  4. Step 4: Simplify right side
    58,943.36x = 1,536,709,980.83
  5. Step 5: Solve for x
    x = 1,536,709,980.83/58,943.36
  6. Step 6: Final answer
    x = 26,070.96

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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.