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Finding the Fourth Proportional to 70,000.60, 96,598.74 and 39,789.22

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Solution

The fourth proportional to 70,000.60, 96,598.74 and 39,789.22 is: 54,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,000.60 : 96,598.74 = 39,789.22 : x
  2. Step 2: Convert to fraction form
    70,000.60/96,598.74 = 39,789.22/x
  3. Step 3: Cross multiply
    70,000.60x = 96,598.74 × 39,789.22
  4. Step 4: Simplify right side
    70,000.60x = 3,843,588,517.58
  5. Step 5: Solve for x
    x = 3,843,588,517.58/70,000.60
  6. Step 6: Final answer
    x = 54,907.94

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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.