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Finding the Fourth Proportional to 57,447.52, 79,276.43 and 31,953.34

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Solution

The fourth proportional to 57,447.52, 79,276.43 and 31,953.34 is: 44,094.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.52 : 79,276.43 = 31,953.34 : x
  2. Step 2: Convert to fraction form
    57,447.52/79,276.43 = 31,953.34/x
  3. Step 3: Cross multiply
    57,447.52x = 79,276.43 × 31,953.34
  4. Step 4: Simplify right side
    57,447.52x = 2,533,146,721.78
  5. Step 5: Solve for x
    x = 2,533,146,721.78/57,447.52
  6. Step 6: Final answer
    x = 44,094.97

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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.