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Finding the Fourth Proportional to 58,489.82, 87,740.88 and 19,050.01

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Solution

The fourth proportional to 58,489.82, 87,740.88 and 19,050.01 is: 28,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,489.82 : 87,740.88 = 19,050.01 : x
  2. Step 2: Convert to fraction form
    58,489.82/87,740.88 = 19,050.01/x
  3. Step 3: Cross multiply
    58,489.82x = 87,740.88 × 19,050.01
  4. Step 4: Simplify right side
    58,489.82x = 1,671,464,350.62
  5. Step 5: Solve for x
    x = 1,671,464,350.62/58,489.82
  6. Step 6: Final answer
    x = 28,577.01

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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.