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Finding the Fourth Proportional to 7,668,824.80, 11,503,237.20 and 4,841,471.20

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Solution

The fourth proportional to 7,668,824.80, 11,503,237.20 and 4,841,471.20 is: 7,262,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668,824.80 : 11,503,237.20 = 4,841,471.20 : x
  2. Step 2: Convert to fraction form
    7,668,824.80/11,503,237.20 = 4,841,471.20/x
  3. Step 3: Cross multiply
    7,668,824.80x = 11,503,237.20 × 4,841,471.20
  4. Step 4: Simplify right side
    7,668,824.80x = 55,692,591,610,568.64
  5. Step 5: Solve for x
    x = 55,692,591,610,568.64/7,668,824.80
  6. Step 6: Final answer
    x = 7,262,206.80

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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.