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Finding the Fourth Proportional to 32,917.44, 45,423.54 and 19,487.64

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Solution

The fourth proportional to 32,917.44, 45,423.54 and 19,487.64 is: 26,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,917.44 : 45,423.54 = 19,487.64 : x
  2. Step 2: Convert to fraction form
    32,917.44/45,423.54 = 19,487.64/x
  3. Step 3: Cross multiply
    32,917.44x = 45,423.54 × 19,487.64
  4. Step 4: Simplify right side
    32,917.44x = 885,197,595.05
  5. Step 5: Solve for x
    x = 885,197,595.05/32,917.44
  6. Step 6: Final answer
    x = 26,891.45

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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.