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Finding the Fourth Proportional to 58,473.96, 87,690.24 and 19,023.72

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Solution

The fourth proportional to 58,473.96, 87,690.24 and 19,023.72 is: 28,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,473.96 : 87,690.24 = 19,023.72 : x
  2. Step 2: Convert to fraction form
    58,473.96/87,690.24 = 19,023.72/x
  3. Step 3: Cross multiply
    58,473.96x = 87,690.24 × 19,023.72
  4. Step 4: Simplify right side
    58,473.96x = 1,668,194,572.49
  5. Step 5: Solve for x
    x = 1,668,194,572.49/58,473.96
  6. Step 6: Final answer
    x = 28,528.85

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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.