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Finding the Fourth Proportional to 58,251.36, 87,378 and 16,698.36

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Solution

The fourth proportional to 58,251.36, 87,378 and 16,698.36 is: 25,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,251.36 : 87,378 = 16,698.36 : x
  2. Step 2: Convert to fraction form
    58,251.36/87,378 = 16,698.36/x
  3. Step 3: Cross multiply
    58,251.36x = 87,378 × 16,698.36
  4. Step 4: Simplify right side
    58,251.36x = 1,459,069,300.08
  5. Step 5: Solve for x
    x = 1,459,069,300.08/58,251.36
  6. Step 6: Final answer
    x = 25,047.82

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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.