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Finding the Fourth Proportional to 70,047.59, 96,668.39 and 39,835.67

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Solution

The fourth proportional to 70,047.59, 96,668.39 and 39,835.67 is: 54,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047.59 : 96,668.39 = 39,835.67 : x
  2. Step 2: Convert to fraction form
    70,047.59/96,668.39 = 39,835.67/x
  3. Step 3: Cross multiply
    70,047.59x = 96,668.39 × 39,835.67
  4. Step 4: Simplify right side
    70,047.59x = 3,850,850,083.47
  5. Step 5: Solve for x
    x = 3,850,850,083.47/70,047.59
  6. Step 6: Final answer
    x = 54,974.77

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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.