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Finding the Fourth Proportional to 23,500.80, 35,250.96 and 7,918.32

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Solution

The fourth proportional to 23,500.80, 35,250.96 and 7,918.32 is: 11,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,500.80 : 35,250.96 = 7,918.32 : x
  2. Step 2: Convert to fraction form
    23,500.80/35,250.96 = 7,918.32/x
  3. Step 3: Cross multiply
    23,500.80x = 35,250.96 × 7,918.32
  4. Step 4: Simplify right side
    23,500.80x = 279,128,381.59
  5. Step 5: Solve for x
    x = 279,128,381.59/23,500.80
  6. Step 6: Final answer
    x = 11,877.40

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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.