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Finding the Fourth Proportional to 56,473.70, 84,693.24 and 19,023.72

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Solution

The fourth proportional to 56,473.70, 84,693.24 and 19,023.72 is: 28,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.70 : 84,693.24 = 19,023.72 : x
  2. Step 2: Convert to fraction form
    56,473.70/84,693.24 = 19,023.72/x
  3. Step 3: Cross multiply
    56,473.70x = 84,693.24 × 19,023.72
  4. Step 4: Simplify right side
    56,473.70x = 1,611,180,483.65
  5. Step 5: Solve for x
    x = 1,611,180,483.65/56,473.70
  6. Step 6: Final answer
    x = 28,529.75

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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.