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Finding the Fourth Proportional to 92,457, 127,590.53 and 50,015.44

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Solution

The fourth proportional to 92,457, 127,590.53 and 50,015.44 is: 69,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,457 : 127,590.53 = 50,015.44 : x
  2. Step 2: Convert to fraction form
    92,457/127,590.53 = 50,015.44/x
  3. Step 3: Cross multiply
    92,457x = 127,590.53 × 50,015.44
  4. Step 4: Simplify right side
    92,457x = 6,381,496,497.78
  5. Step 5: Solve for x
    x = 6,381,496,497.78/92,457
  6. Step 6: Final answer
    x = 69,021.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.