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Finding the Fourth Proportional to 39,484.88, 59,227.38 and 11,782.88

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Solution

The fourth proportional to 39,484.88, 59,227.38 and 11,782.88 is: 17,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,484.88 : 59,227.38 = 11,782.88 : x
  2. Step 2: Convert to fraction form
    39,484.88/59,227.38 = 11,782.88/x
  3. Step 3: Cross multiply
    39,484.88x = 59,227.38 × 11,782.88
  4. Step 4: Simplify right side
    39,484.88x = 697,869,111.25
  5. Step 5: Solve for x
    x = 697,869,111.25/39,484.88
  6. Step 6: Final answer
    x = 17,674.34

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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.