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Finding the Fourth Proportional to 14,356.16, 21,530.05 and 5,588.99

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Solution

The fourth proportional to 14,356.16, 21,530.05 and 5,588.99 is: 8,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.16 : 21,530.05 = 5,588.99 : x
  2. Step 2: Convert to fraction form
    14,356.16/21,530.05 = 5,588.99/x
  3. Step 3: Cross multiply
    14,356.16x = 21,530.05 × 5,588.99
  4. Step 4: Simplify right side
    14,356.16x = 120,331,234.15
  5. Step 5: Solve for x
    x = 120,331,234.15/14,356.16
  6. Step 6: Final answer
    x = 8,381.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.