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Finding the Fourth Proportional to 30,562.80, 45,852.30 and 10,839.30

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Solution

The fourth proportional to 30,562.80, 45,852.30 and 10,839.30 is: 16,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.80 : 45,852.30 = 10,839.30 : x
  2. Step 2: Convert to fraction form
    30,562.80/45,852.30 = 10,839.30/x
  3. Step 3: Cross multiply
    30,562.80x = 45,852.30 × 10,839.30
  4. Step 4: Simplify right side
    30,562.80x = 497,006,835.39
  5. Step 5: Solve for x
    x = 497,006,835.39/30,562.80
  6. Step 6: Final answer
    x = 16,261.82

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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.