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Finding the Fourth Proportional to 70,017.77, 96,622.11 and 39,804.36

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Solution

The fourth proportional to 70,017.77, 96,622.11 and 39,804.36 is: 54,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,017.77 : 96,622.11 = 39,804.36 : x
  2. Step 2: Convert to fraction form
    70,017.77/96,622.11 = 39,804.36/x
  3. Step 3: Cross multiply
    70,017.77x = 96,622.11 × 39,804.36
  4. Step 4: Simplify right side
    70,017.77x = 3,845,981,250.40
  5. Step 5: Solve for x
    x = 3,845,981,250.40/70,017.77
  6. Step 6: Final answer
    x = 54,928.65

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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.