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Finding the Fourth Proportional to 30,473.76, 45,728.10 and 16,433.72

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Solution

The fourth proportional to 30,473.76, 45,728.10 and 16,433.72 is: 24,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.76 : 45,728.10 = 16,433.72 : x
  2. Step 2: Convert to fraction form
    30,473.76/45,728.10 = 16,433.72/x
  3. Step 3: Cross multiply
    30,473.76x = 45,728.10 × 16,433.72
  4. Step 4: Simplify right side
    30,473.76x = 751,482,905.85
  5. Step 5: Solve for x
    x = 751,482,905.85/30,473.76
  6. Step 6: Final answer
    x = 24,660.00

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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.