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Finding the Fourth Proportional to 67,313.97, 100,970.87 and 19,925.37

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Solution

The fourth proportional to 67,313.97, 100,970.87 and 19,925.37 is: 29,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,313.97 : 100,970.87 = 19,925.37 : x
  2. Step 2: Convert to fraction form
    67,313.97/100,970.87 = 19,925.37/x
  3. Step 3: Cross multiply
    67,313.97x = 100,970.87 × 19,925.37
  4. Step 4: Simplify right side
    67,313.97x = 2,011,881,844.35
  5. Step 5: Solve for x
    x = 2,011,881,844.35/67,313.97
  6. Step 6: Final answer
    x = 29,888.03

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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.