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Finding the Fourth Proportional to 8,811.12, 13,209.60 and 6,030.84

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Solution

The fourth proportional to 8,811.12, 13,209.60 and 6,030.84 is: 9,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.12 : 13,209.60 = 6,030.84 : x
  2. Step 2: Convert to fraction form
    8,811.12/13,209.60 = 6,030.84/x
  3. Step 3: Cross multiply
    8,811.12x = 13,209.60 × 6,030.84
  4. Step 4: Simplify right side
    8,811.12x = 79,664,984.06
  5. Step 5: Solve for x
    x = 79,664,984.06/8,811.12
  6. Step 6: Final answer
    x = 9,041.41

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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.