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Finding the Fourth Proportional to 7,948.06, 11,924.06 and 5,612.64

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Solution

The fourth proportional to 7,948.06, 11,924.06 and 5,612.64 is: 8,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.06 : 11,924.06 = 5,612.64 : x
  2. Step 2: Convert to fraction form
    7,948.06/11,924.06 = 5,612.64/x
  3. Step 3: Cross multiply
    7,948.06x = 11,924.06 × 5,612.64
  4. Step 4: Simplify right side
    7,948.06x = 66,925,456.12
  5. Step 5: Solve for x
    x = 66,925,456.12/7,948.06
  6. Step 6: Final answer
    x = 8,420.35

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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.