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Finding the Fourth Proportional to 9,924.84, 13,695.84 and 5,448.60

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Solution

The fourth proportional to 9,924.84, 13,695.84 and 5,448.60 is: 7,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.84 : 13,695.84 = 5,448.60 : x
  2. Step 2: Convert to fraction form
    9,924.84/13,695.84 = 5,448.60/x
  3. Step 3: Cross multiply
    9,924.84x = 13,695.84 × 5,448.60
  4. Step 4: Simplify right side
    9,924.84x = 74,623,153.82
  5. Step 5: Solve for x
    x = 74,623,153.82/9,924.84
  6. Step 6: Final answer
    x = 7,518.83

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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.