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Finding the Fourth Proportional to 69,570.97, 96,007.95 and 39,355.67

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Solution

The fourth proportional to 69,570.97, 96,007.95 and 39,355.67 is: 54,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,570.97 : 96,007.95 = 39,355.67 : x
  2. Step 2: Convert to fraction form
    69,570.97/96,007.95 = 39,355.67/x
  3. Step 3: Cross multiply
    69,570.97x = 96,007.95 × 39,355.67
  4. Step 4: Simplify right side
    69,570.97x = 3,778,457,437.60
  5. Step 5: Solve for x
    x = 3,778,457,437.60/69,570.97
  6. Step 6: Final answer
    x = 54,310.84

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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.