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Finding the Fourth Proportional to 43,482.87, 65,253.53 and 15,402.82

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Solution

The fourth proportional to 43,482.87, 65,253.53 and 15,402.82 is: 23,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482.87 : 65,253.53 = 15,402.82 : x
  2. Step 2: Convert to fraction form
    43,482.87/65,253.53 = 15,402.82/x
  3. Step 3: Cross multiply
    43,482.87x = 65,253.53 × 15,402.82
  4. Step 4: Simplify right side
    43,482.87x = 1,005,088,376.95
  5. Step 5: Solve for x
    x = 1,005,088,376.95/43,482.87
  6. Step 6: Final answer
    x = 23,114.58

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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.