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Finding the Fourth Proportional to 58,007.43, 87,009.56 and 18,563.99

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Solution

The fourth proportional to 58,007.43, 87,009.56 and 18,563.99 is: 27,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,007.43 : 87,009.56 = 18,563.99 : x
  2. Step 2: Convert to fraction form
    58,007.43/87,009.56 = 18,563.99/x
  3. Step 3: Cross multiply
    58,007.43x = 87,009.56 × 18,563.99
  4. Step 4: Simplify right side
    58,007.43x = 1,615,244,073.88
  5. Step 5: Solve for x
    x = 1,615,244,073.88/58,007.43
  6. Step 6: Final answer
    x = 27,845.47

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1.5x scale

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.