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Finding the Fourth Proportional to 43,653.59, 65,482.01 and 14,071.85

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Solution

The fourth proportional to 43,653.59, 65,482.01 and 14,071.85 is: 21,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,653.59 : 65,482.01 = 14,071.85 : x
  2. Step 2: Convert to fraction form
    43,653.59/65,482.01 = 14,071.85/x
  3. Step 3: Cross multiply
    43,653.59x = 65,482.01 × 14,071.85
  4. Step 4: Simplify right side
    43,653.59x = 921,452,624.65
  5. Step 5: Solve for x
    x = 921,452,624.65/43,653.59
  6. Step 6: Final answer
    x = 21,108.29

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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.