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Finding the Fourth Proportional to 43,710.42, 65,549.54 and 15,622.88

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Solution

The fourth proportional to 43,710.42, 65,549.54 and 15,622.88 is: 23,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.42 : 65,549.54 = 15,622.88 : x
  2. Step 2: Convert to fraction form
    43,710.42/65,549.54 = 15,622.88/x
  3. Step 3: Cross multiply
    43,710.42x = 65,549.54 × 15,622.88
  4. Step 4: Simplify right side
    43,710.42x = 1,024,072,597.48
  5. Step 5: Solve for x
    x = 1,024,072,597.48/43,710.42
  6. Step 6: Final answer
    x = 23,428.57

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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.