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Finding the Fourth Proportional to 62,807.76, 94,409.28 and 58,083.84

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Solution

The fourth proportional to 62,807.76, 94,409.28 and 58,083.84 is: 87,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,807.76 : 94,409.28 = 58,083.84 : x
  2. Step 2: Convert to fraction form
    62,807.76/94,409.28 = 58,083.84/x
  3. Step 3: Cross multiply
    62,807.76x = 94,409.28 × 58,083.84
  4. Step 4: Simplify right side
    62,807.76x = 5,483,653,514.04
  5. Step 5: Solve for x
    x = 5,483,653,514.04/62,807.76
  6. Step 6: Final answer
    x = 87,308.54

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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.