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Finding the Fourth Proportional to 8,445.16, 12,651.46 and 4,736.12

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Solution

The fourth proportional to 8,445.16, 12,651.46 and 4,736.12 is: 7,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.16 : 12,651.46 = 4,736.12 : x
  2. Step 2: Convert to fraction form
    8,445.16/12,651.46 = 4,736.12/x
  3. Step 3: Cross multiply
    8,445.16x = 12,651.46 × 4,736.12
  4. Step 4: Simplify right side
    8,445.16x = 59,918,832.74
  5. Step 5: Solve for x
    x = 59,918,832.74/8,445.16
  6. Step 6: Final answer
    x = 7,095.05

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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.