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Finding the Fourth Proportional to 35,489.64, 48,975.12 and 19,575.57

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Solution

The fourth proportional to 35,489.64, 48,975.12 and 19,575.57 is: 27,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.64 : 48,975.12 = 19,575.57 : x
  2. Step 2: Convert to fraction form
    35,489.64/48,975.12 = 19,575.57/x
  3. Step 3: Cross multiply
    35,489.64x = 48,975.12 × 19,575.57
  4. Step 4: Simplify right side
    35,489.64x = 958,715,889.82
  5. Step 5: Solve for x
    x = 958,715,889.82/35,489.64
  6. Step 6: Final answer
    x = 27,013.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.