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Finding the Fourth Proportional to 30,558.75, 45,845.30 and 9,497.71

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Solution

The fourth proportional to 30,558.75, 45,845.30 and 9,497.71 is: 14,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.75 : 45,845.30 = 9,497.71 : x
  2. Step 2: Convert to fraction form
    30,558.75/45,845.30 = 9,497.71/x
  3. Step 3: Cross multiply
    30,558.75x = 45,845.30 × 9,497.71
  4. Step 4: Simplify right side
    30,558.75x = 435,425,364.26
  5. Step 5: Solve for x
    x = 435,425,364.26/30,558.75
  6. Step 6: Final answer
    x = 14,248.80

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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.