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Finding the Fourth Proportional to 8,392.04, 11,582.48 and 6,278.16

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Solution

The fourth proportional to 8,392.04, 11,582.48 and 6,278.16 is: 8,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.04 : 11,582.48 = 6,278.16 : x
  2. Step 2: Convert to fraction form
    8,392.04/11,582.48 = 6,278.16/x
  3. Step 3: Cross multiply
    8,392.04x = 11,582.48 × 6,278.16
  4. Step 4: Simplify right side
    8,392.04x = 72,716,662.64
  5. Step 5: Solve for x
    x = 72,716,662.64/8,392.04
  6. Step 6: Final answer
    x = 8,664.96

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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.