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Finding the Fourth Proportional to 39,103.26, 58,655 and 9,521.07

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Solution

The fourth proportional to 39,103.26, 58,655 and 9,521.07 is: 14,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.26 : 58,655 = 9,521.07 : x
  2. Step 2: Convert to fraction form
    39,103.26/58,655 = 9,521.07/x
  3. Step 3: Cross multiply
    39,103.26x = 58,655 × 9,521.07
  4. Step 4: Simplify right side
    39,103.26x = 558,458,360.85
  5. Step 5: Solve for x
    x = 558,458,360.85/39,103.26
  6. Step 6: Final answer
    x = 14,281.63

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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.