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Finding the Fourth Proportional to 32,898.56, 45,397.44 and 18,748.64

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Solution

The fourth proportional to 32,898.56, 45,397.44 and 18,748.64 is: 25,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,898.56 : 45,397.44 = 18,748.64 : x
  2. Step 2: Convert to fraction form
    32,898.56/45,397.44 = 18,748.64/x
  3. Step 3: Cross multiply
    32,898.56x = 45,397.44 × 18,748.64
  4. Step 4: Simplify right side
    32,898.56x = 851,140,259.48
  5. Step 5: Solve for x
    x = 851,140,259.48/32,898.56
  6. Step 6: Final answer
    x = 25,871.66

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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.