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Finding the Fourth Proportional to 58,095.43, 87,134.03 and 15,978.67

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Solution

The fourth proportional to 58,095.43, 87,134.03 and 15,978.67 is: 23,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,095.43 : 87,134.03 = 15,978.67 : x
  2. Step 2: Convert to fraction form
    58,095.43/87,134.03 = 15,978.67/x
  3. Step 3: Cross multiply
    58,095.43x = 87,134.03 × 15,978.67
  4. Step 4: Simplify right side
    58,095.43x = 1,392,285,673.33
  5. Step 5: Solve for x
    x = 1,392,285,673.33/58,095.43
  6. Step 6: Final answer
    x = 23,965.49

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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.