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Finding the Fourth Proportional to 37,605.60, 51,895.62 and 20,838.60

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Solution

The fourth proportional to 37,605.60, 51,895.62 and 20,838.60 is: 28,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,605.60 : 51,895.62 = 20,838.60 : x
  2. Step 2: Convert to fraction form
    37,605.60/51,895.62 = 20,838.60/x
  3. Step 3: Cross multiply
    37,605.60x = 51,895.62 × 20,838.60
  4. Step 4: Simplify right side
    37,605.60x = 1,081,432,066.93
  5. Step 5: Solve for x
    x = 1,081,432,066.93/37,605.60
  6. Step 6: Final answer
    x = 28,757.21

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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.