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Finding the Fourth Proportional to 76,615.20, 114,933.60 and 24,019.20

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Solution

The fourth proportional to 76,615.20, 114,933.60 and 24,019.20 is: 36,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615.20 : 114,933.60 = 24,019.20 : x
  2. Step 2: Convert to fraction form
    76,615.20/114,933.60 = 24,019.20/x
  3. Step 3: Cross multiply
    76,615.20x = 114,933.60 × 24,019.20
  4. Step 4: Simplify right side
    76,615.20x = 2,760,613,125.12
  5. Step 5: Solve for x
    x = 2,760,613,125.12/76,615.20
  6. Step 6: Final answer
    x = 36,032.19

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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.