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Finding the Fourth Proportional to 58,459.92, 87,690.96 and 19,016.88

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Solution

The fourth proportional to 58,459.92, 87,690.96 and 19,016.88 is: 28,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,459.92 : 87,690.96 = 19,016.88 : x
  2. Step 2: Convert to fraction form
    58,459.92/87,690.96 = 19,016.88/x
  3. Step 3: Cross multiply
    58,459.92x = 87,690.96 × 19,016.88
  4. Step 4: Simplify right side
    58,459.92x = 1,667,608,463.40
  5. Step 5: Solve for x
    x = 1,667,608,463.40/58,459.92
  6. Step 6: Final answer
    x = 28,525.67

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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.