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Finding the Fourth Proportional to 37,290.66, 51,461.10 and 20,523.66

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Solution

The fourth proportional to 37,290.66, 51,461.10 and 20,523.66 is: 28,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,290.66 : 51,461.10 = 20,523.66 : x
  2. Step 2: Convert to fraction form
    37,290.66/51,461.10 = 20,523.66/x
  3. Step 3: Cross multiply
    37,290.66x = 51,461.10 × 20,523.66
  4. Step 4: Simplify right side
    37,290.66x = 1,056,170,119.63
  5. Step 5: Solve for x
    x = 1,056,170,119.63/37,290.66
  6. Step 6: Final answer
    x = 28,322.64

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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.