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Finding the Fourth Proportional to 30,416.67, 45,625.11 and 9,356.57

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Solution

The fourth proportional to 30,416.67, 45,625.11 and 9,356.57 is: 14,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.67 : 45,625.11 = 9,356.57 : x
  2. Step 2: Convert to fraction form
    30,416.67/45,625.11 = 9,356.57/x
  3. Step 3: Cross multiply
    30,416.67x = 45,625.11 × 9,356.57
  4. Step 4: Simplify right side
    30,416.67x = 426,894,535.47
  5. Step 5: Solve for x
    x = 426,894,535.47/30,416.67
  6. Step 6: Final answer
    x = 14,034.89

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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.