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Finding the Fourth Proportional to 58,239, 87,358.50 and 14,463

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Solution

The fourth proportional to 58,239, 87,358.50 and 14,463 is: 21,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,239 : 87,358.50 = 14,463 : x
  2. Step 2: Convert to fraction form
    58,239/87,358.50 = 14,463/x
  3. Step 3: Cross multiply
    58,239x = 87,358.50 × 14,463
  4. Step 4: Simplify right side
    58,239x = 1,263,465,985.50
  5. Step 5: Solve for x
    x = 1,263,465,985.50/58,239
  6. Step 6: Final answer
    x = 21,694.50

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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.