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Finding the Fourth Proportional to 62,275.71, 85,958.79 and 35,433.21

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Solution

The fourth proportional to 62,275.71, 85,958.79 and 35,433.21 is: 48,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,275.71 : 85,958.79 = 35,433.21 : x
  2. Step 2: Convert to fraction form
    62,275.71/85,958.79 = 35,433.21/x
  3. Step 3: Cross multiply
    62,275.71x = 85,958.79 × 35,433.21
  4. Step 4: Simplify right side
    62,275.71x = 3,045,795,857.42
  5. Step 5: Solve for x
    x = 3,045,795,857.42/62,275.71
  6. Step 6: Final answer
    x = 48,908.25

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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.