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Finding the Fourth Proportional to 32,872.52, 45,362.94 and 19,440.92

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Solution

The fourth proportional to 32,872.52, 45,362.94 and 19,440.92 is: 26,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.52 : 45,362.94 = 19,440.92 : x
  2. Step 2: Convert to fraction form
    32,872.52/45,362.94 = 19,440.92/x
  3. Step 3: Cross multiply
    32,872.52x = 45,362.94 × 19,440.92
  4. Step 4: Simplify right side
    32,872.52x = 881,897,287.50
  5. Step 5: Solve for x
    x = 881,897,287.50/32,872.52
  6. Step 6: Final answer
    x = 26,827.80

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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.