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Finding the Fourth Proportional to 79,662.02, 119,465.17 and 23,487.21

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Solution

The fourth proportional to 79,662.02, 119,465.17 and 23,487.21 is: 35,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,662.02 : 119,465.17 = 23,487.21 : x
  2. Step 2: Convert to fraction form
    79,662.02/119,465.17 = 23,487.21/x
  3. Step 3: Cross multiply
    79,662.02x = 119,465.17 × 23,487.21
  4. Step 4: Simplify right side
    79,662.02x = 2,805,903,476.76
  5. Step 5: Solve for x
    x = 2,805,903,476.76/79,662.02
  6. Step 6: Final answer
    x = 35,222.60

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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.