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Finding the Fourth Proportional to 8,110.55, 11,191.88 and 4,574.63

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Solution

The fourth proportional to 8,110.55, 11,191.88 and 4,574.63 is: 6,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.55 : 11,191.88 = 4,574.63 : x
  2. Step 2: Convert to fraction form
    8,110.55/11,191.88 = 4,574.63/x
  3. Step 3: Cross multiply
    8,110.55x = 11,191.88 × 4,574.63
  4. Step 4: Simplify right side
    8,110.55x = 51,198,631.17
  5. Step 5: Solve for x
    x = 51,198,631.17/8,110.55
  6. Step 6: Final answer
    x = 6,312.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.