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Finding the Fourth Proportional to 57,062.63, 78,752.31 and 32,864.39

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Solution

The fourth proportional to 57,062.63, 78,752.31 and 32,864.39 is: 45,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,062.63 : 78,752.31 = 32,864.39 : x
  2. Step 2: Convert to fraction form
    57,062.63/78,752.31 = 32,864.39/x
  3. Step 3: Cross multiply
    57,062.63x = 78,752.31 × 32,864.39
  4. Step 4: Simplify right side
    57,062.63x = 2,588,146,235.48
  5. Step 5: Solve for x
    x = 2,588,146,235.48/57,062.63
  6. Step 6: Final answer
    x = 45,356.24

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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.