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Finding the Fourth Proportional to 35,313.60, 52,972.24 and 9,018.56

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Solution

The fourth proportional to 35,313.60, 52,972.24 and 9,018.56 is: 13,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.60 : 52,972.24 = 9,018.56 : x
  2. Step 2: Convert to fraction form
    35,313.60/52,972.24 = 9,018.56/x
  3. Step 3: Cross multiply
    35,313.60x = 52,972.24 × 9,018.56
  4. Step 4: Simplify right side
    35,313.60x = 477,733,324.77
  5. Step 5: Solve for x
    x = 477,733,324.77/35,313.60
  6. Step 6: Final answer
    x = 13,528.31

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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.