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Finding the Fourth Proportional to 39,393.70, 59,073.11 and 11,307.23

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Solution

The fourth proportional to 39,393.70, 59,073.11 and 11,307.23 is: 16,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.70 : 59,073.11 = 11,307.23 : x
  2. Step 2: Convert to fraction form
    39,393.70/59,073.11 = 11,307.23/x
  3. Step 3: Cross multiply
    39,393.70x = 59,073.11 × 11,307.23
  4. Step 4: Simplify right side
    39,393.70x = 667,953,417.54
  5. Step 5: Solve for x
    x = 667,953,417.54/39,393.70
  6. Step 6: Final answer
    x = 16,955.84

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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.