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Finding the Fourth Proportional to 45,337.80, 68,006.70 and 30,592.20

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Solution

The fourth proportional to 45,337.80, 68,006.70 and 30,592.20 is: 45,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,337.80 : 68,006.70 = 30,592.20 : x
  2. Step 2: Convert to fraction form
    45,337.80/68,006.70 = 30,592.20/x
  3. Step 3: Cross multiply
    45,337.80x = 68,006.70 × 30,592.20
  4. Step 4: Simplify right side
    45,337.80x = 2,080,474,567.74
  5. Step 5: Solve for x
    x = 2,080,474,567.74/45,337.80
  6. Step 6: Final answer
    x = 45,888.30

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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.