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Finding the Fourth Proportional to 15,155.58, 22,738.83 and 7,763.52

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Solution

The fourth proportional to 15,155.58, 22,738.83 and 7,763.52 is: 11,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.58 : 22,738.83 = 7,763.52 : x
  2. Step 2: Convert to fraction form
    15,155.58/22,738.83 = 7,763.52/x
  3. Step 3: Cross multiply
    15,155.58x = 22,738.83 × 7,763.52
  4. Step 4: Simplify right side
    15,155.58x = 176,533,361.48
  5. Step 5: Solve for x
    x = 176,533,361.48/15,155.58
  6. Step 6: Final answer
    x = 11,648.08

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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.