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Finding the Fourth Proportional to 63,783.65, 95,538.78 and 51,880.92

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Solution

The fourth proportional to 63,783.65, 95,538.78 and 51,880.92 is: 77,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,783.65 : 95,538.78 = 51,880.92 : x
  2. Step 2: Convert to fraction form
    63,783.65/95,538.78 = 51,880.92/x
  3. Step 3: Cross multiply
    63,783.65x = 95,538.78 × 51,880.92
  4. Step 4: Simplify right side
    63,783.65x = 4,956,639,802.08
  5. Step 5: Solve for x
    x = 4,956,639,802.08/63,783.65
  6. Step 6: Final answer
    x = 77,710.20

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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.