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Finding the Fourth Proportional to 58,165.30, 87,192.50 and 18,694.68

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Solution

The fourth proportional to 58,165.30, 87,192.50 and 18,694.68 is: 28,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,165.30 : 87,192.50 = 18,694.68 : x
  2. Step 2: Convert to fraction form
    58,165.30/87,192.50 = 18,694.68/x
  3. Step 3: Cross multiply
    58,165.30x = 87,192.50 × 18,694.68
  4. Step 4: Simplify right side
    58,165.30x = 1,630,035,885.90
  5. Step 5: Solve for x
    x = 1,630,035,885.90/58,165.30
  6. Step 6: Final answer
    x = 28,024.20

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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.