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Finding the Fourth Proportional to 37,857.66, 56,786.70 and 15,659.01

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Solution

The fourth proportional to 37,857.66, 56,786.70 and 15,659.01 is: 23,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857.66 : 56,786.70 = 15,659.01 : x
  2. Step 2: Convert to fraction form
    37,857.66/56,786.70 = 15,659.01/x
  3. Step 3: Cross multiply
    37,857.66x = 56,786.70 × 15,659.01
  4. Step 4: Simplify right side
    37,857.66x = 889,223,503.17
  5. Step 5: Solve for x
    x = 889,223,503.17/37,857.66
  6. Step 6: Final answer
    x = 23,488.60

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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.