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Finding the Fourth Proportional to 50,632.90, 75,912.90 and 28,453.08

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Solution

The fourth proportional to 50,632.90, 75,912.90 and 28,453.08 is: 42,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,632.90 : 75,912.90 = 28,453.08 : x
  2. Step 2: Convert to fraction form
    50,632.90/75,912.90 = 28,453.08/x
  3. Step 3: Cross multiply
    50,632.90x = 75,912.90 × 28,453.08
  4. Step 4: Simplify right side
    50,632.90x = 2,159,955,437.17
  5. Step 5: Solve for x
    x = 2,159,955,437.17/50,632.90
  6. Step 6: Final answer
    x = 42,659.13

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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.