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Finding the Fourth Proportional to 51,502.70, 71,036.99 and 47,267.41

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Solution

The fourth proportional to 51,502.70, 71,036.99 and 47,267.41 is: 65,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502.70 : 71,036.99 = 47,267.41 : x
  2. Step 2: Convert to fraction form
    51,502.70/71,036.99 = 47,267.41/x
  3. Step 3: Cross multiply
    51,502.70x = 71,036.99 × 47,267.41
  4. Step 4: Simplify right side
    51,502.70x = 3,357,734,531.50
  5. Step 5: Solve for x
    x = 3,357,734,531.50/51,502.70
  6. Step 6: Final answer
    x = 65,195.31

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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.