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Finding the Fourth Proportional to 45,603.71, 62,934.18 and 28,608.68

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Solution

The fourth proportional to 45,603.71, 62,934.18 and 28,608.68 is: 39,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,603.71 : 62,934.18 = 28,608.68 : x
  2. Step 2: Convert to fraction form
    45,603.71/62,934.18 = 28,608.68/x
  3. Step 3: Cross multiply
    45,603.71x = 62,934.18 × 28,608.68
  4. Step 4: Simplify right side
    45,603.71x = 1,800,463,816.68
  5. Step 5: Solve for x
    x = 1,800,463,816.68/45,603.71
  6. Step 6: Final answer
    x = 39,480.64

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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.