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Finding the Fourth Proportional to 58,184.10, 87,282.99 and 20,749.50

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Solution

The fourth proportional to 58,184.10, 87,282.99 and 20,749.50 is: 31,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,184.10 : 87,282.99 = 20,749.50 : x
  2. Step 2: Convert to fraction form
    58,184.10/87,282.99 = 20,749.50/x
  3. Step 3: Cross multiply
    58,184.10x = 87,282.99 × 20,749.50
  4. Step 4: Simplify right side
    58,184.10x = 1,811,078,265.96
  5. Step 5: Solve for x
    x = 1,811,078,265.96/58,184.10
  6. Step 6: Final answer
    x = 31,126.68

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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.