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Finding the Fourth Proportional to 30,297.52, 45,448.71 and 10,575.64

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Solution

The fourth proportional to 30,297.52, 45,448.71 and 10,575.64 is: 15,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.52 : 45,448.71 = 10,575.64 : x
  2. Step 2: Convert to fraction form
    30,297.52/45,448.71 = 10,575.64/x
  3. Step 3: Cross multiply
    30,297.52x = 45,448.71 × 10,575.64
  4. Step 4: Simplify right side
    30,297.52x = 480,649,195.42
  5. Step 5: Solve for x
    x = 480,649,195.42/30,297.52
  6. Step 6: Final answer
    x = 15,864.31

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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.