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Finding the Fourth Proportional to 58,299.72, 87,449.64 and 16,746.72

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Solution

The fourth proportional to 58,299.72, 87,449.64 and 16,746.72 is: 25,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,299.72 : 87,449.64 = 16,746.72 : x
  2. Step 2: Convert to fraction form
    58,299.72/87,449.64 = 16,746.72/x
  3. Step 3: Cross multiply
    58,299.72x = 87,449.64 × 16,746.72
  4. Step 4: Simplify right side
    58,299.72x = 1,464,494,635.18
  5. Step 5: Solve for x
    x = 1,464,494,635.18/58,299.72
  6. Step 6: Final answer
    x = 25,120.10

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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.