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Finding the Fourth Proportional to 37,649.56, 56,473.71 and 9,186.79

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Solution

The fourth proportional to 37,649.56, 56,473.71 and 9,186.79 is: 13,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.56 : 56,473.71 = 9,186.79 : x
  2. Step 2: Convert to fraction form
    37,649.56/56,473.71 = 9,186.79/x
  3. Step 3: Cross multiply
    37,649.56x = 56,473.71 × 9,186.79
  4. Step 4: Simplify right side
    37,649.56x = 518,812,114.29
  5. Step 5: Solve for x
    x = 518,812,114.29/37,649.56
  6. Step 6: Final answer
    x = 13,780.03

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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.