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Finding the Fourth Proportional to 43,266.80, 64,948.80 and 23,535.20

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Solution

The fourth proportional to 43,266.80, 64,948.80 and 23,535.20 is: 35,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.80 : 64,948.80 = 23,535.20 : x
  2. Step 2: Convert to fraction form
    43,266.80/64,948.80 = 23,535.20/x
  3. Step 3: Cross multiply
    43,266.80x = 64,948.80 × 23,535.20
  4. Step 4: Simplify right side
    43,266.80x = 1,528,582,997.76
  5. Step 5: Solve for x
    x = 1,528,582,997.76/43,266.80
  6. Step 6: Final answer
    x = 35,329.24

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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.