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Finding the Fourth Proportional to 35,464.74, 53,215.74 and 15,757.44

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Solution

The fourth proportional to 35,464.74, 53,215.74 and 15,757.44 is: 23,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,464.74 : 53,215.74 = 15,757.44 : x
  2. Step 2: Convert to fraction form
    35,464.74/53,215.74 = 15,757.44/x
  3. Step 3: Cross multiply
    35,464.74x = 53,215.74 × 15,757.44
  4. Step 4: Simplify right side
    35,464.74x = 838,543,830.11
  5. Step 5: Solve for x
    x = 838,543,830.11/35,464.74
  6. Step 6: Final answer
    x = 23,644.44

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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.