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Finding the Fourth Proportional to 23,338.80, 35,008.20 and 7,543.80

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Solution

The fourth proportional to 23,338.80, 35,008.20 and 7,543.80 is: 11,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,338.80 : 35,008.20 = 7,543.80 : x
  2. Step 2: Convert to fraction form
    23,338.80/35,008.20 = 7,543.80/x
  3. Step 3: Cross multiply
    23,338.80x = 35,008.20 × 7,543.80
  4. Step 4: Simplify right side
    23,338.80x = 264,094,859.16
  5. Step 5: Solve for x
    x = 264,094,859.16/23,338.80
  6. Step 6: Final answer
    x = 11,315.70

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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.