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Finding the Fourth Proportional to 58,172.63, 87,258.94 and 16,619.63

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Solution

The fourth proportional to 58,172.63, 87,258.94 and 16,619.63 is: 24,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,172.63 : 87,258.94 = 16,619.63 : x
  2. Step 2: Convert to fraction form
    58,172.63/87,258.94 = 16,619.63/x
  3. Step 3: Cross multiply
    58,172.63x = 87,258.94 × 16,619.63
  4. Step 4: Simplify right side
    58,172.63x = 1,450,210,819.15
  5. Step 5: Solve for x
    x = 1,450,210,819.15/58,172.63
  6. Step 6: Final answer
    x = 24,929.44

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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.