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Finding the Fourth Proportional to 15,616.56, 23,421.15 and 5,750.49

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Solution

The fourth proportional to 15,616.56, 23,421.15 and 5,750.49 is: 8,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.56 : 23,421.15 = 5,750.49 : x
  2. Step 2: Convert to fraction form
    15,616.56/23,421.15 = 5,750.49/x
  3. Step 3: Cross multiply
    15,616.56x = 23,421.15 × 5,750.49
  4. Step 4: Simplify right side
    15,616.56x = 134,683,088.86
  5. Step 5: Solve for x
    x = 134,683,088.86/15,616.56
  6. Step 6: Final answer
    x = 8,624.38

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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.