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Finding the Fourth Proportional to 28,996.94, 43,500.87 and 9,270.20

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Solution

The fourth proportional to 28,996.94, 43,500.87 and 9,270.20 is: 13,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.94 : 43,500.87 = 9,270.20 : x
  2. Step 2: Convert to fraction form
    28,996.94/43,500.87 = 9,270.20/x
  3. Step 3: Cross multiply
    28,996.94x = 43,500.87 × 9,270.20
  4. Step 4: Simplify right side
    28,996.94x = 403,261,547.57
  5. Step 5: Solve for x
    x = 403,261,547.57/28,996.94
  6. Step 6: Final answer
    x = 13,907.04

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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.