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Finding the Fourth Proportional to 30,484.58, 45,732.33 and 10,774.58

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Solution

The fourth proportional to 30,484.58, 45,732.33 and 10,774.58 is: 16,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.58 : 45,732.33 = 10,774.58 : x
  2. Step 2: Convert to fraction form
    30,484.58/45,732.33 = 10,774.58/x
  3. Step 3: Cross multiply
    30,484.58x = 45,732.33 × 10,774.58
  4. Step 4: Simplify right side
    30,484.58x = 492,746,648.17
  5. Step 5: Solve for x
    x = 492,746,648.17/30,484.58
  6. Step 6: Final answer
    x = 16,163.80

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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.