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Finding the Fourth Proportional to 58,095.81, 87,134.58 and 15,979.05

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Solution

The fourth proportional to 58,095.81, 87,134.58 and 15,979.05 is: 23,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,095.81 : 87,134.58 = 15,979.05 : x
  2. Step 2: Convert to fraction form
    58,095.81/87,134.58 = 15,979.05/x
  3. Step 3: Cross multiply
    58,095.81x = 87,134.58 × 15,979.05
  4. Step 4: Simplify right side
    58,095.81x = 1,392,327,810.55
  5. Step 5: Solve for x
    x = 1,392,327,810.55/58,095.81
  6. Step 6: Final answer
    x = 23,966.06

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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.