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Finding the Fourth Proportional to 57,234.60, 78,985.80 and 33,357.42

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Solution

The fourth proportional to 57,234.60, 78,985.80 and 33,357.42 is: 46,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,234.60 : 78,985.80 = 33,357.42 : x
  2. Step 2: Convert to fraction form
    57,234.60/78,985.80 = 33,357.42/x
  3. Step 3: Cross multiply
    57,234.60x = 78,985.80 × 33,357.42
  4. Step 4: Simplify right side
    57,234.60x = 2,634,762,504.64
  5. Step 5: Solve for x
    x = 2,634,762,504.64/57,234.60
  6. Step 6: Final answer
    x = 46,034.44

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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.