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Finding the Fourth Proportional to 45,282.65, 67,955.12 and 15,700.49

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Solution

The fourth proportional to 45,282.65, 67,955.12 and 15,700.49 is: 23,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,282.65 : 67,955.12 = 15,700.49 : x
  2. Step 2: Convert to fraction form
    45,282.65/67,955.12 = 15,700.49/x
  3. Step 3: Cross multiply
    45,282.65x = 67,955.12 × 15,700.49
  4. Step 4: Simplify right side
    45,282.65x = 1,066,928,682.01
  5. Step 5: Solve for x
    x = 1,066,928,682.01/45,282.65
  6. Step 6: Final answer
    x = 23,561.53

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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.