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Finding the Fourth Proportional to 9,924, 13,695.10 and 5,447.84

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Solution

The fourth proportional to 9,924, 13,695.10 and 5,447.84 is: 7,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924 : 13,695.10 = 5,447.84 : x
  2. Step 2: Convert to fraction form
    9,924/13,695.10 = 5,447.84/x
  3. Step 3: Cross multiply
    9,924x = 13,695.10 × 5,447.84
  4. Step 4: Simplify right side
    9,924x = 74,608,713.58
  5. Step 5: Solve for x
    x = 74,608,713.58/9,924
  6. Step 6: Final answer
    x = 7,518.01

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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.