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Finding the Fourth Proportional to 30,619.59, 45,886.59 and 16,549.28

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Solution

The fourth proportional to 30,619.59, 45,886.59 and 16,549.28 is: 24,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.59 : 45,886.59 = 16,549.28 : x
  2. Step 2: Convert to fraction form
    30,619.59/45,886.59 = 16,549.28/x
  3. Step 3: Cross multiply
    30,619.59x = 45,886.59 × 16,549.28
  4. Step 4: Simplify right side
    30,619.59x = 759,389,796.72
  5. Step 5: Solve for x
    x = 759,389,796.72/30,619.59
  6. Step 6: Final answer
    x = 24,800.78

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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.