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Finding the Fourth Proportional to 19,058.32, 28,594.32 and 8,527.48

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Solution

The fourth proportional to 19,058.32, 28,594.32 and 8,527.48 is: 12,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.32 : 28,594.32 = 8,527.48 : x
  2. Step 2: Convert to fraction form
    19,058.32/28,594.32 = 8,527.48/x
  3. Step 3: Cross multiply
    19,058.32x = 28,594.32 × 8,527.48
  4. Step 4: Simplify right side
    19,058.32x = 243,837,491.91
  5. Step 5: Solve for x
    x = 243,837,491.91/19,058.32
  6. Step 6: Final answer
    x = 12,794.28

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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.