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Finding the Fourth Proportional to 37,909.01, 52,314.27 and 20,914.31

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Solution

The fourth proportional to 37,909.01, 52,314.27 and 20,914.31 is: 28,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,909.01 : 52,314.27 = 20,914.31 : x
  2. Step 2: Convert to fraction form
    37,909.01/52,314.27 = 20,914.31/x
  3. Step 3: Cross multiply
    37,909.01x = 52,314.27 × 20,914.31
  4. Step 4: Simplify right side
    37,909.01x = 1,094,116,598.63
  5. Step 5: Solve for x
    x = 1,094,116,598.63/37,909.01
  6. Step 6: Final answer
    x = 28,861.65

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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.