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Finding the Fourth Proportional to 50,987, 76,472.59 and 26,045.48

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Solution

The fourth proportional to 50,987, 76,472.59 and 26,045.48 is: 39,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,987 : 76,472.59 = 26,045.48 : x
  2. Step 2: Convert to fraction form
    50,987/76,472.59 = 26,045.48/x
  3. Step 3: Cross multiply
    50,987x = 76,472.59 × 26,045.48
  4. Step 4: Simplify right side
    50,987x = 1,991,765,313.39
  5. Step 5: Solve for x
    x = 1,991,765,313.39/50,987
  6. Step 6: Final answer
    x = 39,064.18

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1.5x scale

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.