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Finding the Fourth Proportional to 35,472.88, 53,208.96 and 10,513.12

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Solution

The fourth proportional to 35,472.88, 53,208.96 and 10,513.12 is: 15,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.88 : 53,208.96 = 10,513.12 : x
  2. Step 2: Convert to fraction form
    35,472.88/53,208.96 = 10,513.12/x
  3. Step 3: Cross multiply
    35,472.88x = 53,208.96 × 10,513.12
  4. Step 4: Simplify right side
    35,472.88x = 559,392,181.56
  5. Step 5: Solve for x
    x = 559,392,181.56/35,472.88
  6. Step 6: Final answer
    x = 15,769.57

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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.