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Finding the Fourth Proportional to 62,416.60, 93,624.90 and 55,029.40

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Solution

The fourth proportional to 62,416.60, 93,624.90 and 55,029.40 is: 82,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,416.60 : 93,624.90 = 55,029.40 : x
  2. Step 2: Convert to fraction form
    62,416.60/93,624.90 = 55,029.40/x
  3. Step 3: Cross multiply
    62,416.60x = 93,624.90 × 55,029.40
  4. Step 4: Simplify right side
    62,416.60x = 5,152,122,072.06
  5. Step 5: Solve for x
    x = 5,152,122,072.06/62,416.60
  6. Step 6: Final answer
    x = 82,544.10

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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.