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Finding the Fourth Proportional to 15,216.32, 22,828.12 and 4,828.06

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Solution

The fourth proportional to 15,216.32, 22,828.12 and 4,828.06 is: 7,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.32 : 22,828.12 = 4,828.06 : x
  2. Step 2: Convert to fraction form
    15,216.32/22,828.12 = 4,828.06/x
  3. Step 3: Cross multiply
    15,216.32x = 22,828.12 × 4,828.06
  4. Step 4: Simplify right side
    15,216.32x = 110,215,533.05
  5. Step 5: Solve for x
    x = 110,215,533.05/15,216.32
  6. Step 6: Final answer
    x = 7,243.24

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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.