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Finding the Fourth Proportional to 84,398.04, 126,485.28 and 44,870.04

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Solution

The fourth proportional to 84,398.04, 126,485.28 and 44,870.04 is: 67,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,398.04 : 126,485.28 = 44,870.04 : x
  2. Step 2: Convert to fraction form
    84,398.04/126,485.28 = 44,870.04/x
  3. Step 3: Cross multiply
    84,398.04x = 126,485.28 × 44,870.04
  4. Step 4: Simplify right side
    84,398.04x = 5,675,399,573.01
  5. Step 5: Solve for x
    x = 5,675,399,573.01/84,398.04
  6. Step 6: Final answer
    x = 67,245.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.