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Finding the Fourth Proportional to 23,695.75, 35,543.63 and 7,279.75

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Solution

The fourth proportional to 23,695.75, 35,543.63 and 7,279.75 is: 10,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,695.75 : 35,543.63 = 7,279.75 : x
  2. Step 2: Convert to fraction form
    23,695.75/35,543.63 = 7,279.75/x
  3. Step 3: Cross multiply
    23,695.75x = 35,543.63 × 7,279.75
  4. Step 4: Simplify right side
    23,695.75x = 258,748,740.49
  5. Step 5: Solve for x
    x = 258,748,740.49/23,695.75
  6. Step 6: Final answer
    x = 10,919.63

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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.