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Finding the Fourth Proportional to 15,693.63, 23,520.43 and 7,355.26

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Solution

The fourth proportional to 15,693.63, 23,520.43 and 7,355.26 is: 11,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.63 : 23,520.43 = 7,355.26 : x
  2. Step 2: Convert to fraction form
    15,693.63/23,520.43 = 7,355.26/x
  3. Step 3: Cross multiply
    15,693.63x = 23,520.43 × 7,355.26
  4. Step 4: Simplify right side
    15,693.63x = 172,998,877.96
  5. Step 5: Solve for x
    x = 172,998,877.96/15,693.63
  6. Step 6: Final answer
    x = 11,023.51

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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.