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Finding the Fourth Proportional to 10,493.53, 15,755.81 and 7,005.27

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Solution

The fourth proportional to 10,493.53, 15,755.81 and 7,005.27 is: 10,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493.53 : 15,755.81 = 7,005.27 : x
  2. Step 2: Convert to fraction form
    10,493.53/15,755.81 = 7,005.27/x
  3. Step 3: Cross multiply
    10,493.53x = 15,755.81 × 7,005.27
  4. Step 4: Simplify right side
    10,493.53x = 110,373,703.12
  5. Step 5: Solve for x
    x = 110,373,703.12/10,493.53
  6. Step 6: Final answer
    x = 10,518.26

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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.