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Finding the Fourth Proportional to 57,666.36, 79,534.80 and 36,437.88

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Solution

The fourth proportional to 57,666.36, 79,534.80 and 36,437.88 is: 50,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,666.36 : 79,534.80 = 36,437.88 : x
  2. Step 2: Convert to fraction form
    57,666.36/79,534.80 = 36,437.88/x
  3. Step 3: Cross multiply
    57,666.36x = 79,534.80 × 36,437.88
  4. Step 4: Simplify right side
    57,666.36x = 2,898,079,498.22
  5. Step 5: Solve for x
    x = 2,898,079,498.22/57,666.36
  6. Step 6: Final answer
    x = 50,255.98

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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.