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Finding the Fourth Proportional to 16,482.48, 24,721.24 and 5,390.32

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Solution

The fourth proportional to 16,482.48, 24,721.24 and 5,390.32 is: 8,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482.48 : 24,721.24 = 5,390.32 : x
  2. Step 2: Convert to fraction form
    16,482.48/24,721.24 = 5,390.32/x
  3. Step 3: Cross multiply
    16,482.48x = 24,721.24 × 5,390.32
  4. Step 4: Simplify right side
    16,482.48x = 133,255,394.40
  5. Step 5: Solve for x
    x = 133,255,394.40/16,482.48
  6. Step 6: Final answer
    x = 8,084.67

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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.