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Finding the Fourth Proportional to 34,200.60, 51,300.90 and 22,390.80

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Solution

The fourth proportional to 34,200.60, 51,300.90 and 22,390.80 is: 33,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,200.60 : 51,300.90 = 22,390.80 : x
  2. Step 2: Convert to fraction form
    34,200.60/51,300.90 = 22,390.80/x
  3. Step 3: Cross multiply
    34,200.60x = 51,300.90 × 22,390.80
  4. Step 4: Simplify right side
    34,200.60x = 1,148,668,191.72
  5. Step 5: Solve for x
    x = 1,148,668,191.72/34,200.60
  6. Step 6: Final answer
    x = 33,586.20

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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.