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Finding the Fourth Proportional to 71,356.63, 98,472.15 and 39,527.59

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Solution

The fourth proportional to 71,356.63, 98,472.15 and 39,527.59 is: 54,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,356.63 : 98,472.15 = 39,527.59 : x
  2. Step 2: Convert to fraction form
    71,356.63/98,472.15 = 39,527.59/x
  3. Step 3: Cross multiply
    71,356.63x = 98,472.15 × 39,527.59
  4. Step 4: Simplify right side
    71,356.63x = 3,892,366,771.62
  5. Step 5: Solve for x
    x = 3,892,366,771.62/71,356.63
  6. Step 6: Final answer
    x = 54,548.07

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1.5x scale

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.