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Finding the Fourth Proportional to 74,602.50, 111,903.75 and 22,011.23

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Solution

The fourth proportional to 74,602.50, 111,903.75 and 22,011.23 is: 33,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.50 : 111,903.75 = 22,011.23 : x
  2. Step 2: Convert to fraction form
    74,602.50/111,903.75 = 22,011.23/x
  3. Step 3: Cross multiply
    74,602.50x = 111,903.75 × 22,011.23
  4. Step 4: Simplify right side
    74,602.50x = 2,463,139,179.11
  5. Step 5: Solve for x
    x = 2,463,139,179.11/74,602.50
  6. Step 6: Final answer
    x = 33,016.85

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Double scale
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Similar ratio
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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.