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Finding the Fourth Proportional to 30,561.52, 45,859.56 and 13,029.52

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Solution

The fourth proportional to 30,561.52, 45,859.56 and 13,029.52 is: 19,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.52 : 45,859.56 = 13,029.52 : x
  2. Step 2: Convert to fraction form
    30,561.52/45,859.56 = 13,029.52/x
  3. Step 3: Cross multiply
    30,561.52x = 45,859.56 × 13,029.52
  4. Step 4: Simplify right side
    30,561.52x = 597,528,054.21
  5. Step 5: Solve for x
    x = 597,528,054.21/30,561.52
  6. Step 6: Final answer
    x = 19,551.65

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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.