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Finding the Fourth Proportional to 39,485.80, 59,207.10 and 16,085.80

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Solution

The fourth proportional to 39,485.80, 59,207.10 and 16,085.80 is: 24,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,485.80 : 59,207.10 = 16,085.80 : x
  2. Step 2: Convert to fraction form
    39,485.80/59,207.10 = 16,085.80/x
  3. Step 3: Cross multiply
    39,485.80x = 59,207.10 × 16,085.80
  4. Step 4: Simplify right side
    39,485.80x = 952,393,569.18
  5. Step 5: Solve for x
    x = 952,393,569.18/39,485.80
  6. Step 6: Final answer
    x = 24,119.90

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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.