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Finding the Fourth Proportional to 25,792.76, 38,695.08 and 8,262.56

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Solution

The fourth proportional to 25,792.76, 38,695.08 and 8,262.56 is: 12,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,792.76 : 38,695.08 = 8,262.56 : x
  2. Step 2: Convert to fraction form
    25,792.76/38,695.08 = 8,262.56/x
  3. Step 3: Cross multiply
    25,792.76x = 38,695.08 × 8,262.56
  4. Step 4: Simplify right side
    25,792.76x = 319,720,420.20
  5. Step 5: Solve for x
    x = 319,720,420.20/25,792.76
  6. Step 6: Final answer
    x = 12,395.74

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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.