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Finding the Fourth Proportional to 58,263, 87,394.56 and 14,487

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Solution

The fourth proportional to 58,263, 87,394.56 and 14,487 is: 21,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,263 : 87,394.56 = 14,487 : x
  2. Step 2: Convert to fraction form
    58,263/87,394.56 = 14,487/x
  3. Step 3: Cross multiply
    58,263x = 87,394.56 × 14,487
  4. Step 4: Simplify right side
    58,263x = 1,266,084,990.72
  5. Step 5: Solve for x
    x = 1,266,084,990.72/58,263
  6. Step 6: Final answer
    x = 21,730.51

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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.