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Finding the Fourth Proportional to 62,506.92, 86,259.58 and 34,212.76

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Solution

The fourth proportional to 62,506.92, 86,259.58 and 34,212.76 is: 47,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,506.92 : 86,259.58 = 34,212.76 : x
  2. Step 2: Convert to fraction form
    62,506.92/86,259.58 = 34,212.76/x
  3. Step 3: Cross multiply
    62,506.92x = 86,259.58 × 34,212.76
  4. Step 4: Simplify right side
    62,506.92x = 2,951,178,308.24
  5. Step 5: Solve for x
    x = 2,951,178,308.24/62,506.92
  6. Step 6: Final answer
    x = 47,213.63

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Half scale
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Double scale
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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.