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Finding the Fourth Proportional to 58,465.35, 87,707.18 and 19,013.22

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Solution

The fourth proportional to 58,465.35, 87,707.18 and 19,013.22 is: 28,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,465.35 : 87,707.18 = 19,013.22 : x
  2. Step 2: Convert to fraction form
    58,465.35/87,707.18 = 19,013.22/x
  3. Step 3: Cross multiply
    58,465.35x = 87,707.18 × 19,013.22
  4. Step 4: Simplify right side
    58,465.35x = 1,667,595,956.45
  5. Step 5: Solve for x
    x = 1,667,595,956.45/58,465.35
  6. Step 6: Final answer
    x = 28,522.81

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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.