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Finding the Fourth Proportional to 41,289.02, 56,978.53 and 22,426.28

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Solution

The fourth proportional to 41,289.02, 56,978.53 and 22,426.28 is: 30,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,289.02 : 56,978.53 = 22,426.28 : x
  2. Step 2: Convert to fraction form
    41,289.02/56,978.53 = 22,426.28/x
  3. Step 3: Cross multiply
    41,289.02x = 56,978.53 × 22,426.28
  4. Step 4: Simplify right side
    41,289.02x = 1,277,816,126.81
  5. Step 5: Solve for x
    x = 1,277,816,126.81/41,289.02
  6. Step 6: Final answer
    x = 30,948.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.