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Finding the Fourth Proportional to 30,495.62, 45,712.76 and 14,677.54

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Solution

The fourth proportional to 30,495.62, 45,712.76 and 14,677.54 is: 22,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.62 : 45,712.76 = 14,677.54 : x
  2. Step 2: Convert to fraction form
    30,495.62/45,712.76 = 14,677.54/x
  3. Step 3: Cross multiply
    30,495.62x = 45,712.76 × 14,677.54
  4. Step 4: Simplify right side
    30,495.62x = 670,950,675.74
  5. Step 5: Solve for x
    x = 670,950,675.74/30,495.62
  6. Step 6: Final answer
    x = 22,001.54

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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.