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Finding the Fourth Proportional to 58,941.36, 88,412.04 and 19,487.88

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Solution

The fourth proportional to 58,941.36, 88,412.04 and 19,487.88 is: 29,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,941.36 : 88,412.04 = 19,487.88 : x
  2. Step 2: Convert to fraction form
    58,941.36/88,412.04 = 19,487.88/x
  3. Step 3: Cross multiply
    58,941.36x = 88,412.04 × 19,487.88
  4. Step 4: Simplify right side
    58,941.36x = 1,722,963,226.08
  5. Step 5: Solve for x
    x = 1,722,963,226.08/58,941.36
  6. Step 6: Final answer
    x = 29,231.82

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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.