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Finding the Fourth Proportional to 58,989.60, 88,484.52 and 19,536.16

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Solution

The fourth proportional to 58,989.60, 88,484.52 and 19,536.16 is: 29,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989.60 : 88,484.52 = 19,536.16 : x
  2. Step 2: Convert to fraction form
    58,989.60/88,484.52 = 19,536.16/x
  3. Step 3: Cross multiply
    58,989.60x = 88,484.52 × 19,536.16
  4. Step 4: Simplify right side
    58,989.60x = 1,728,647,740.24
  5. Step 5: Solve for x
    x = 1,728,647,740.24/58,989.60
  6. Step 6: Final answer
    x = 29,304.28

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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.