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Finding the Fourth Proportional to 72,614.70, 108,927.48 and 20,023.70

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Solution

The fourth proportional to 72,614.70, 108,927.48 and 20,023.70 is: 30,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,614.70 : 108,927.48 = 20,023.70 : x
  2. Step 2: Convert to fraction form
    72,614.70/108,927.48 = 20,023.70/x
  3. Step 3: Cross multiply
    72,614.70x = 108,927.48 × 20,023.70
  4. Step 4: Simplify right side
    72,614.70x = 2,181,130,636.64
  5. Step 5: Solve for x
    x = 2,181,130,636.64/72,614.70
  6. Step 6: Final answer
    x = 30,037.04

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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.