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Finding the Fourth Proportional to 29,703.52, 40,980.76 and 16,947.54

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Solution

The fourth proportional to 29,703.52, 40,980.76 and 16,947.54 is: 23,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,703.52 : 40,980.76 = 16,947.54 : x
  2. Step 2: Convert to fraction form
    29,703.52/40,980.76 = 16,947.54/x
  3. Step 3: Cross multiply
    29,703.52x = 40,980.76 × 16,947.54
  4. Step 4: Simplify right side
    29,703.52x = 694,523,026.96
  5. Step 5: Solve for x
    x = 694,523,026.96/29,703.52
  6. Step 6: Final answer
    x = 23,381.84

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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.