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Finding the Fourth Proportional to 64,345.74, 96,527.88 and 19,976.04

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Solution

The fourth proportional to 64,345.74, 96,527.88 and 19,976.04 is: 29,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,345.74 : 96,527.88 = 19,976.04 : x
  2. Step 2: Convert to fraction form
    64,345.74/96,527.88 = 19,976.04/x
  3. Step 3: Cross multiply
    64,345.74x = 96,527.88 × 19,976.04
  4. Step 4: Simplify right side
    64,345.74x = 1,928,244,792.00
  5. Step 5: Solve for x
    x = 1,928,244,792.00/64,345.74
  6. Step 6: Final answer
    x = 29,966.94

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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.