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Finding the Fourth Proportional to 73,967.84, 110,935.20 and 21,365.60

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Solution

The fourth proportional to 73,967.84, 110,935.20 and 21,365.60 is: 32,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,967.84 : 110,935.20 = 21,365.60 : x
  2. Step 2: Convert to fraction form
    73,967.84/110,935.20 = 21,365.60/x
  3. Step 3: Cross multiply
    73,967.84x = 110,935.20 × 21,365.60
  4. Step 4: Simplify right side
    73,967.84x = 2,370,197,109.12
  5. Step 5: Solve for x
    x = 2,370,197,109.12/73,967.84
  6. Step 6: Final answer
    x = 32,043.62

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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.