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Finding the Fourth Proportional to 15,009.30, 22,528.06 and 7,619.06

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Solution

The fourth proportional to 15,009.30, 22,528.06 and 7,619.06 is: 11,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.30 : 22,528.06 = 7,619.06 : x
  2. Step 2: Convert to fraction form
    15,009.30/22,528.06 = 7,619.06/x
  3. Step 3: Cross multiply
    15,009.30x = 22,528.06 × 7,619.06
  4. Step 4: Simplify right side
    15,009.30x = 171,642,678.10
  5. Step 5: Solve for x
    x = 171,642,678.10/15,009.30
  6. Step 6: Final answer
    x = 11,435.76

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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.