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Finding the Fourth Proportional to 58,460.98, 87,700.66 and 19,008.87

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Solution

The fourth proportional to 58,460.98, 87,700.66 and 19,008.87 is: 28,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,460.98 : 87,700.66 = 19,008.87 : x
  2. Step 2: Convert to fraction form
    58,460.98/87,700.66 = 19,008.87/x
  3. Step 3: Cross multiply
    58,460.98x = 87,700.66 × 19,008.87
  4. Step 4: Simplify right side
    58,460.98x = 1,667,090,444.85
  5. Step 5: Solve for x
    x = 1,667,090,444.85/58,460.98
  6. Step 6: Final answer
    x = 28,516.29

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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.