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Finding the Fourth Proportional to 47,343.52, 65,357.74 and 29,444.30

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Solution

The fourth proportional to 47,343.52, 65,357.74 and 29,444.30 is: 40,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,343.52 : 65,357.74 = 29,444.30 : x
  2. Step 2: Convert to fraction form
    47,343.52/65,357.74 = 29,444.30/x
  3. Step 3: Cross multiply
    47,343.52x = 65,357.74 × 29,444.30
  4. Step 4: Simplify right side
    47,343.52x = 1,924,412,903.88
  5. Step 5: Solve for x
    x = 1,924,412,903.88/47,343.52
  6. Step 6: Final answer
    x = 40,647.86

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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.