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Finding the Fourth Proportional to 57,615.78, 79,524.81 and 37,527.78

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Solution

The fourth proportional to 57,615.78, 79,524.81 and 37,527.78 is: 51,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,615.78 : 79,524.81 = 37,527.78 : x
  2. Step 2: Convert to fraction form
    57,615.78/79,524.81 = 37,527.78/x
  3. Step 3: Cross multiply
    57,615.78x = 79,524.81 × 37,527.78
  4. Step 4: Simplify right side
    57,615.78x = 2,984,389,574.22
  5. Step 5: Solve for x
    x = 2,984,389,574.22/57,615.78
  6. Step 6: Final answer
    x = 51,798.13

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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.