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Finding the Fourth Proportional to 30,601.10, 45,901.65 and 9,826.70

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Solution

The fourth proportional to 30,601.10, 45,901.65 and 9,826.70 is: 14,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.10 : 45,901.65 = 9,826.70 : x
  2. Step 2: Convert to fraction form
    30,601.10/45,901.65 = 9,826.70/x
  3. Step 3: Cross multiply
    30,601.10x = 45,901.65 × 9,826.70
  4. Step 4: Simplify right side
    30,601.10x = 451,061,744.06
  5. Step 5: Solve for x
    x = 451,061,744.06/30,601.10
  6. Step 6: Final answer
    x = 14,740.05

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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.