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Finding the Fourth Proportional to 73,063.98, 100,828.44 and 40,798.44

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Solution

The fourth proportional to 73,063.98, 100,828.44 and 40,798.44 is: 56,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,063.98 : 100,828.44 = 40,798.44 : x
  2. Step 2: Convert to fraction form
    73,063.98/100,828.44 = 40,798.44/x
  3. Step 3: Cross multiply
    73,063.98x = 100,828.44 × 40,798.44
  4. Step 4: Simplify right side
    73,063.98x = 4,113,643,059.63
  5. Step 5: Solve for x
    x = 4,113,643,059.63/73,063.98
  6. Step 6: Final answer
    x = 56,301.93

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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.