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Finding the Fourth Proportional to 37,160.64, 55,996.65 and 30,731.40

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Solution

The fourth proportional to 37,160.64, 55,996.65 and 30,731.40 is: 46,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,160.64 : 55,996.65 = 30,731.40 : x
  2. Step 2: Convert to fraction form
    37,160.64/55,996.65 = 30,731.40/x
  3. Step 3: Cross multiply
    37,160.64x = 55,996.65 × 30,731.40
  4. Step 4: Simplify right side
    37,160.64x = 1,720,855,449.81
  5. Step 5: Solve for x
    x = 1,720,855,449.81/37,160.64
  6. Step 6: Final answer
    x = 46,308.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.