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Finding the Fourth Proportional to 30,554.73, 45,839.28 and 9,493.71

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Solution

The fourth proportional to 30,554.73, 45,839.28 and 9,493.71 is: 14,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554.73 : 45,839.28 = 9,493.71 : x
  2. Step 2: Convert to fraction form
    30,554.73/45,839.28 = 9,493.71/x
  3. Step 3: Cross multiply
    30,554.73x = 45,839.28 × 9,493.71
  4. Step 4: Simplify right side
    30,554.73x = 435,184,830.93
  5. Step 5: Solve for x
    x = 435,184,830.93/30,554.73
  6. Step 6: Final answer
    x = 14,242.80

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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.