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Finding the Fourth Proportional to 49,060, 73,590.71 and 13,999.66

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Solution

The fourth proportional to 49,060, 73,590.71 and 13,999.66 is: 20,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,060 : 73,590.71 = 13,999.66 : x
  2. Step 2: Convert to fraction form
    49,060/73,590.71 = 13,999.66/x
  3. Step 3: Cross multiply
    49,060x = 73,590.71 × 13,999.66
  4. Step 4: Simplify right side
    49,060x = 1,030,244,919.16
  5. Step 5: Solve for x
    x = 1,030,244,919.16/49,060
  6. Step 6: Final answer
    x = 20,999.69

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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.