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Finding the Fourth Proportional to 15,333.32, 22,983.45 and 7,419.12

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Solution

The fourth proportional to 15,333.32, 22,983.45 and 7,419.12 is: 11,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.32 : 22,983.45 = 7,419.12 : x
  2. Step 2: Convert to fraction form
    15,333.32/22,983.45 = 7,419.12/x
  3. Step 3: Cross multiply
    15,333.32x = 22,983.45 × 7,419.12
  4. Step 4: Simplify right side
    15,333.32x = 170,516,973.56
  5. Step 5: Solve for x
    x = 170,516,973.56/15,333.32
  6. Step 6: Final answer
    x = 11,120.68

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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.