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Finding the Fourth Proportional to 8,445.06, 11,654.16 and 4,719.06

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Solution

The fourth proportional to 8,445.06, 11,654.16 and 4,719.06 is: 6,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.06 : 11,654.16 = 4,719.06 : x
  2. Step 2: Convert to fraction form
    8,445.06/11,654.16 = 4,719.06/x
  3. Step 3: Cross multiply
    8,445.06x = 11,654.16 × 4,719.06
  4. Step 4: Simplify right side
    8,445.06x = 54,996,680.29
  5. Step 5: Solve for x
    x = 54,996,680.29/8,445.06
  6. Step 6: Final answer
    x = 6,512.29

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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.