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Finding the Fourth Proportional to 22,938.96, 34,405.20 and 7,354.56

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Solution

The fourth proportional to 22,938.96, 34,405.20 and 7,354.56 is: 11,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.96 : 34,405.20 = 7,354.56 : x
  2. Step 2: Convert to fraction form
    22,938.96/34,405.20 = 7,354.56/x
  3. Step 3: Cross multiply
    22,938.96x = 34,405.20 × 7,354.56
  4. Step 4: Simplify right side
    22,938.96x = 253,035,107.71
  5. Step 5: Solve for x
    x = 253,035,107.71/22,938.96
  6. Step 6: Final answer
    x = 11,030.80

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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.