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Finding the Fourth Proportional to 29,235.80, 43,780.80 and 23,403.80

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Solution

The fourth proportional to 29,235.80, 43,780.80 and 23,403.80 is: 35,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.80 : 43,780.80 = 23,403.80 : x
  2. Step 2: Convert to fraction form
    29,235.80/43,780.80 = 23,403.80/x
  3. Step 3: Cross multiply
    29,235.80x = 43,780.80 × 23,403.80
  4. Step 4: Simplify right side
    29,235.80x = 1,024,637,087.04
  5. Step 5: Solve for x
    x = 1,024,637,087.04/29,235.80
  6. Step 6: Final answer
    x = 35,047.34

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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.