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Finding the Fourth Proportional to 34,647.60, 51,888.88 and 22,128.84

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Solution

The fourth proportional to 34,647.60, 51,888.88 and 22,128.84 is: 33,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,647.60 : 51,888.88 = 22,128.84 : x
  2. Step 2: Convert to fraction form
    34,647.60/51,888.88 = 22,128.84/x
  3. Step 3: Cross multiply
    34,647.60x = 51,888.88 × 22,128.84
  4. Step 4: Simplify right side
    34,647.60x = 1,148,240,723.30
  5. Step 5: Solve for x
    x = 1,148,240,723.30/34,647.60
  6. Step 6: Final answer
    x = 33,140.56

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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.