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Finding the Fourth Proportional to 30,575.77, 45,868.21 and 10,852.68

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Solution

The fourth proportional to 30,575.77, 45,868.21 and 10,852.68 is: 16,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.77 : 45,868.21 = 10,852.68 : x
  2. Step 2: Convert to fraction form
    30,575.77/45,868.21 = 10,852.68/x
  3. Step 3: Cross multiply
    30,575.77x = 45,868.21 × 10,852.68
  4. Step 4: Simplify right side
    30,575.77x = 497,793,005.30
  5. Step 5: Solve for x
    x = 497,793,005.30/30,575.77
  6. Step 6: Final answer
    x = 16,280.64

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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.