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Finding the Fourth Proportional to 52,339.44, 72,238.80 and 29,678.88

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Solution

The fourth proportional to 52,339.44, 72,238.80 and 29,678.88 is: 40,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.44 : 72,238.80 = 29,678.88 : x
  2. Step 2: Convert to fraction form
    52,339.44/72,238.80 = 29,678.88/x
  3. Step 3: Cross multiply
    52,339.44x = 72,238.80 × 29,678.88
  4. Step 4: Simplify right side
    52,339.44x = 2,143,966,676.54
  5. Step 5: Solve for x
    x = 2,143,966,676.54/52,339.44
  6. Step 6: Final answer
    x = 40,962.74

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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.