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Finding the Fourth Proportional to 40,323.80, 60,485.70 and 29,826.20

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Solution

The fourth proportional to 40,323.80, 60,485.70 and 29,826.20 is: 44,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.80 : 60,485.70 = 29,826.20 : x
  2. Step 2: Convert to fraction form
    40,323.80/60,485.70 = 29,826.20/x
  3. Step 3: Cross multiply
    40,323.80x = 60,485.70 × 29,826.20
  4. Step 4: Simplify right side
    40,323.80x = 1,804,058,585.34
  5. Step 5: Solve for x
    x = 1,804,058,585.34/40,323.80
  6. Step 6: Final answer
    x = 44,739.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.