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Finding the Fourth Proportional to 30,425.22, 45,631.98 and 9,359.64

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Solution

The fourth proportional to 30,425.22, 45,631.98 and 9,359.64 is: 14,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.22 : 45,631.98 = 9,359.64 : x
  2. Step 2: Convert to fraction form
    30,425.22/45,631.98 = 9,359.64/x
  3. Step 3: Cross multiply
    30,425.22x = 45,631.98 × 9,359.64
  4. Step 4: Simplify right side
    30,425.22x = 427,098,905.29
  5. Step 5: Solve for x
    x = 427,098,905.29/30,425.22
  6. Step 6: Final answer
    x = 14,037.66

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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.