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Finding the Fourth Proportional to 58,300.94, 87,454.14 and 18,861.14

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Solution

The fourth proportional to 58,300.94, 87,454.14 and 18,861.14 is: 28,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,300.94 : 87,454.14 = 18,861.14 : x
  2. Step 2: Convert to fraction form
    58,300.94/87,454.14 = 18,861.14/x
  3. Step 3: Cross multiply
    58,300.94x = 87,454.14 × 18,861.14
  4. Step 4: Simplify right side
    58,300.94x = 1,649,484,778.12
  5. Step 5: Solve for x
    x = 1,649,484,778.12/58,300.94
  6. Step 6: Final answer
    x = 28,292.59

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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.