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Finding the Fourth Proportional to 25,669.06, 38,518.95 and 11,077.06

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Solution

The fourth proportional to 25,669.06, 38,518.95 and 11,077.06 is: 16,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.06 : 38,518.95 = 11,077.06 : x
  2. Step 2: Convert to fraction form
    25,669.06/38,518.95 = 11,077.06/x
  3. Step 3: Cross multiply
    25,669.06x = 38,518.95 × 11,077.06
  4. Step 4: Simplify right side
    25,669.06x = 426,676,720.29
  5. Step 5: Solve for x
    x = 426,676,720.29/25,669.06
  6. Step 6: Final answer
    x = 16,622.22

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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.