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Finding the Fourth Proportional to 15,798.96, 23,700.78 and 5,265.54

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Solution

The fourth proportional to 15,798.96, 23,700.78 and 5,265.54 is: 7,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.96 : 23,700.78 = 5,265.54 : x
  2. Step 2: Convert to fraction form
    15,798.96/23,700.78 = 5,265.54/x
  3. Step 3: Cross multiply
    15,798.96x = 23,700.78 × 5,265.54
  4. Step 4: Simplify right side
    15,798.96x = 124,797,405.12
  5. Step 5: Solve for x
    x = 124,797,405.12/15,798.96
  6. Step 6: Final answer
    x = 7,899.09

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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.