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Finding the Fourth Proportional to 29,557.80, 40,834.20 and 19,373.00

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Solution

The fourth proportional to 29,557.80, 40,834.20 and 19,373.00 is: 26,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.80 : 40,834.20 = 19,373.00 : x
  2. Step 2: Convert to fraction form
    29,557.80/40,834.20 = 19,373.00/x
  3. Step 3: Cross multiply
    29,557.80x = 40,834.20 × 19,373.00
  4. Step 4: Simplify right side
    29,557.80x = 791,080,986.04
  5. Step 5: Solve for x
    x = 791,080,986.04/29,557.80
  6. Step 6: Final answer
    x = 26,763.86

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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.