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Finding the Fourth Proportional to 64,888.43, 97,332.46 and 15,640.43

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Solution

The fourth proportional to 64,888.43, 97,332.46 and 15,640.43 is: 23,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.43 : 97,332.46 = 15,640.43 : x
  2. Step 2: Convert to fraction form
    64,888.43/97,332.46 = 15,640.43/x
  3. Step 3: Cross multiply
    64,888.43x = 97,332.46 × 15,640.43
  4. Step 4: Simplify right side
    64,888.43x = 1,522,321,527.36
  5. Step 5: Solve for x
    x = 1,522,321,527.36/64,888.43
  6. Step 6: Final answer
    x = 23,460.60

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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.