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Finding the Fourth Proportional to 32,703.30, 45,140.22 and 19,278.90

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Solution

The fourth proportional to 32,703.30, 45,140.22 and 19,278.90 is: 26,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,703.30 : 45,140.22 = 19,278.90 : x
  2. Step 2: Convert to fraction form
    32,703.30/45,140.22 = 19,278.90/x
  3. Step 3: Cross multiply
    32,703.30x = 45,140.22 × 19,278.90
  4. Step 4: Simplify right side
    32,703.30x = 870,253,787.36
  5. Step 5: Solve for x
    x = 870,253,787.36/32,703.30
  6. Step 6: Final answer
    x = 26,610.58

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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.