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Finding the Fourth Proportional to 35,728.57, 53,575.54 and 10,763.96

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Solution

The fourth proportional to 35,728.57, 53,575.54 and 10,763.96 is: 16,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.57 : 53,575.54 = 10,763.96 : x
  2. Step 2: Convert to fraction form
    35,728.57/53,575.54 = 10,763.96/x
  3. Step 3: Cross multiply
    35,728.57x = 53,575.54 × 10,763.96
  4. Step 4: Simplify right side
    35,728.57x = 576,684,969.54
  5. Step 5: Solve for x
    x = 576,684,969.54/35,728.57
  6. Step 6: Final answer
    x = 16,140.72

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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.