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Finding the Fourth Proportional to 37,208.59, 55,812.98 and 9,128.79

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Solution

The fourth proportional to 37,208.59, 55,812.98 and 9,128.79 is: 13,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,208.59 : 55,812.98 = 9,128.79 : x
  2. Step 2: Convert to fraction form
    37,208.59/55,812.98 = 9,128.79/x
  3. Step 3: Cross multiply
    37,208.59x = 55,812.98 × 9,128.79
  4. Step 4: Simplify right side
    37,208.59x = 509,504,996.52
  5. Step 5: Solve for x
    x = 509,504,996.52/37,208.59
  6. Step 6: Final answer
    x = 13,693.21

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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.