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Finding the Fourth Proportional to 19,572.58, 29,363.19 and 8,327.32

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Solution

The fourth proportional to 19,572.58, 29,363.19 and 8,327.32 is: 12,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.58 : 29,363.19 = 8,327.32 : x
  2. Step 2: Convert to fraction form
    19,572.58/29,363.19 = 8,327.32/x
  3. Step 3: Cross multiply
    19,572.58x = 29,363.19 × 8,327.32
  4. Step 4: Simplify right side
    19,572.58x = 244,516,598.83
  5. Step 5: Solve for x
    x = 244,516,598.83/19,572.58
  6. Step 6: Final answer
    x = 12,492.82

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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.