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Finding the Fourth Proportional to 61,996.60, 85,462.32 and 48,544.50

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Solution

The fourth proportional to 61,996.60, 85,462.32 and 48,544.50 is: 66,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,996.60 : 85,462.32 = 48,544.50 : x
  2. Step 2: Convert to fraction form
    61,996.60/85,462.32 = 48,544.50/x
  3. Step 3: Cross multiply
    61,996.60x = 85,462.32 × 48,544.50
  4. Step 4: Simplify right side
    61,996.60x = 4,148,725,593.24
  5. Step 5: Solve for x
    x = 4,148,725,593.24/61,996.60
  6. Step 6: Final answer
    x = 66,918.60

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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.