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Finding the Fourth Proportional to 62,443.92, 93,656.88 and 20,327.88

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Solution

The fourth proportional to 62,443.92, 93,656.88 and 20,327.88 is: 30,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,443.92 : 93,656.88 = 20,327.88 : x
  2. Step 2: Convert to fraction form
    62,443.92/93,656.88 = 20,327.88/x
  3. Step 3: Cross multiply
    62,443.92x = 93,656.88 × 20,327.88
  4. Step 4: Simplify right side
    62,443.92x = 1,903,845,817.81
  5. Step 5: Solve for x
    x = 1,903,845,817.81/62,443.92
  6. Step 6: Final answer
    x = 30,488.89

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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.