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Finding the Fourth Proportional to 6,069.90, 9,090.72 and 5,903.76

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Solution

The fourth proportional to 6,069.90, 9,090.72 and 5,903.76 is: 8,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069.90 : 9,090.72 = 5,903.76 : x
  2. Step 2: Convert to fraction form
    6,069.90/9,090.72 = 5,903.76/x
  3. Step 3: Cross multiply
    6,069.90x = 9,090.72 × 5,903.76
  4. Step 4: Simplify right side
    6,069.90x = 53,669,429.11
  5. Step 5: Solve for x
    x = 53,669,429.11/6,069.90
  6. Step 6: Final answer
    x = 8,841.90

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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.