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Finding the Fourth Proportional to 25,284.76, 37,927.95 and 8,644.12

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Solution

The fourth proportional to 25,284.76, 37,927.95 and 8,644.12 is: 12,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,284.76 : 37,927.95 = 8,644.12 : x
  2. Step 2: Convert to fraction form
    25,284.76/37,927.95 = 8,644.12/x
  3. Step 3: Cross multiply
    25,284.76x = 37,927.95 × 8,644.12
  4. Step 4: Simplify right side
    25,284.76x = 327,853,751.15
  5. Step 5: Solve for x
    x = 327,853,751.15/25,284.76
  6. Step 6: Final answer
    x = 12,966.46

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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.