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Finding the Fourth Proportional to 8,741.95, 12,068.36 and 5,924.21

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Solution

The fourth proportional to 8,741.95, 12,068.36 and 5,924.21 is: 8,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.95 : 12,068.36 = 5,924.21 : x
  2. Step 2: Convert to fraction form
    8,741.95/12,068.36 = 5,924.21/x
  3. Step 3: Cross multiply
    8,741.95x = 12,068.36 × 5,924.21
  4. Step 4: Simplify right side
    8,741.95x = 71,495,499.55
  5. Step 5: Solve for x
    x = 71,495,499.55/8,741.95
  6. Step 6: Final answer
    x = 8,178.44

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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.