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Finding the Fourth Proportional to 9,881.32, 14,809.24 and 7,396.68

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Solution

The fourth proportional to 9,881.32, 14,809.24 and 7,396.68 is: 11,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.32 : 14,809.24 = 7,396.68 : x
  2. Step 2: Convert to fraction form
    9,881.32/14,809.24 = 7,396.68/x
  3. Step 3: Cross multiply
    9,881.32x = 14,809.24 × 7,396.68
  4. Step 4: Simplify right side
    9,881.32x = 109,539,209.32
  5. Step 5: Solve for x
    x = 109,539,209.32/9,881.32
  6. Step 6: Final answer
    x = 11,085.48

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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.