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Finding the Fourth Proportional to 69,470.72, 95,834.64 and 45,594.08

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Solution

The fourth proportional to 69,470.72, 95,834.64 and 45,594.08 is: 62,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.72 : 95,834.64 = 45,594.08 : x
  2. Step 2: Convert to fraction form
    69,470.72/95,834.64 = 45,594.08/x
  3. Step 3: Cross multiply
    69,470.72x = 95,834.64 × 45,594.08
  4. Step 4: Simplify right side
    69,470.72x = 4,369,492,242.93
  5. Step 5: Solve for x
    x = 4,369,492,242.93/69,470.72
  6. Step 6: Final answer
    x = 62,896.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.