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Finding the Fourth Proportional to 30,097.28, 45,152.28 and 9,036.56

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Solution

The fourth proportional to 30,097.28, 45,152.28 and 9,036.56 is: 13,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097.28 : 45,152.28 = 9,036.56 : x
  2. Step 2: Convert to fraction form
    30,097.28/45,152.28 = 9,036.56/x
  3. Step 3: Cross multiply
    30,097.28x = 45,152.28 × 9,036.56
  4. Step 4: Simplify right side
    30,097.28x = 408,021,287.36
  5. Step 5: Solve for x
    x = 408,021,287.36/30,097.28
  6. Step 6: Final answer
    x = 13,556.75

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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.