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Finding the Fourth Proportional to 58,716.36, 88,074.54 and 19,262.88

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Solution

The fourth proportional to 58,716.36, 88,074.54 and 19,262.88 is: 28,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,716.36 : 88,074.54 = 19,262.88 : x
  2. Step 2: Convert to fraction form
    58,716.36/88,074.54 = 19,262.88/x
  3. Step 3: Cross multiply
    58,716.36x = 88,074.54 × 19,262.88
  4. Step 4: Simplify right side
    58,716.36x = 1,696,569,295.08
  5. Step 5: Solve for x
    x = 1,696,569,295.08/58,716.36
  6. Step 6: Final answer
    x = 28,894.32

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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.