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Finding the Fourth Proportional to 77,353.70, 116,015.96 and 37,885.64

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Solution

The fourth proportional to 77,353.70, 116,015.96 and 37,885.64 is: 56,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,353.70 : 116,015.96 = 37,885.64 : x
  2. Step 2: Convert to fraction form
    77,353.70/116,015.96 = 37,885.64/x
  3. Step 3: Cross multiply
    77,353.70x = 116,015.96 × 37,885.64
  4. Step 4: Simplify right side
    77,353.70x = 4,395,338,894.81
  5. Step 5: Solve for x
    x = 4,395,338,894.81/77,353.70
  6. Step 6: Final answer
    x = 56,821.31

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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.